diff --git a/beacon_chain/beacon_chain_db_immutable.nim b/beacon_chain/beacon_chain_db_immutable.nim
index 71f25fcdcf..e2cbfe451b 100644
--- a/beacon_chain/beacon_chain_db_immutable.nim
+++ b/beacon_chain/beacon_chain_db_immutable.nim
@@ -132,7 +132,7 @@ type
     current_sync_committee*: SyncCommittee     # [New in Altair]
     next_sync_committee*: SyncCommittee        # [New in Altair]
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/bellatrix/beacon-chain.md#beaconstate
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/bellatrix/beacon-chain.md#beaconstate
   # Memory-representation-equivalent to a Bellatrix BeaconState for in-place SSZ
   # reading and writing
   BellatrixBeaconStateNoImmutableValidators* = object
diff --git a/beacon_chain/consensus_object_pools/spec_cache.nim b/beacon_chain/consensus_object_pools/spec_cache.nim
index f29ce06ee1..c0935fe759 100644
--- a/beacon_chain/consensus_object_pools/spec_cache.nim
+++ b/beacon_chain/consensus_object_pools/spec_cache.nim
@@ -293,7 +293,7 @@ func makeAttestationData*(
 
   doAssert current_epoch == epochRef.epoch
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#attestation-data
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#attestation-data
   AttestationData(
     slot: slot,
     index: committee_index.asUInt64,
diff --git a/beacon_chain/el/eth1_chain.nim b/beacon_chain/el/eth1_chain.nim
index 73ee1662bb..4d408a9bd3 100644
--- a/beacon_chain/el/eth1_chain.nim
+++ b/beacon_chain/el/eth1_chain.nim
@@ -82,11 +82,11 @@ type
     deposits*: seq[Deposit]
     hasMissingDeposits*: bool
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#get_eth1_data
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#get_eth1_data
 func compute_time_at_slot(genesis_time: uint64, slot: Slot): uint64 =
   genesis_time + slot * SECONDS_PER_SLOT
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#get_eth1_data
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#get_eth1_data
 func voting_period_start_time(state: ForkedHashedBeaconState): uint64 =
   let eth1_voting_period_start_slot =
     getStateField(state, slot) - getStateField(state, slot) mod
@@ -94,7 +94,7 @@ func voting_period_start_time(state: ForkedHashedBeaconState): uint64 =
   compute_time_at_slot(
     getStateField(state, genesis_time), eth1_voting_period_start_slot)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#get_eth1_data
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#get_eth1_data
 func is_candidate_block(cfg: RuntimeConfig,
                         blk: Eth1Block,
                         period_start: uint64): bool =
@@ -274,7 +274,7 @@ proc trackFinalizedState*(chain: var Eth1Chain,
   if result:
     chain.pruneOldBlocks(finalizedStateDepositIndex)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#get_eth1_data
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#get_eth1_data
 proc getBlockProposalData*(chain: var Eth1Chain,
                            state: ForkedHashedBeaconState,
                            finalizedEth1Data: Eth1Data,
diff --git a/beacon_chain/el/merkle_minimal.nim b/beacon_chain/el/merkle_minimal.nim
index 0665d0a92f..9a196556aa 100644
--- a/beacon_chain/el/merkle_minimal.nim
+++ b/beacon_chain/el/merkle_minimal.nim
@@ -7,7 +7,7 @@
 
 {.push raises: [].}
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/tests/core/pyspec/eth2spec/utils/merkle_minimal.py
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/tests/core/pyspec/eth2spec/utils/merkle_minimal.py
 
 # Merkle tree helpers
 # ---------------------------------------------------------------
diff --git a/beacon_chain/gossip_processing/gossip_validation.nim b/beacon_chain/gossip_processing/gossip_validation.nim
index 4f0379f50a..2b15ef75f0 100644
--- a/beacon_chain/gossip_processing/gossip_validation.nim
+++ b/beacon_chain/gossip_processing/gossip_validation.nim
@@ -1504,7 +1504,7 @@ proc validateVoluntaryExit*(
 
   ok()
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/p2p-interface.md#sync_committee_subnet_id
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/p2p-interface.md#sync_committee_subnet_id
 proc validateSyncCommitteeMessage*(
     dag: ChainDAGRef,
     quarantine: ref Quarantine,
diff --git a/beacon_chain/libnimbus_lc/libnimbus_lc.h b/beacon_chain/libnimbus_lc/libnimbus_lc.h
index b3fe7979b5..43f6f9bd37 100644
--- a/beacon_chain/libnimbus_lc/libnimbus_lc.h
+++ b/beacon_chain/libnimbus_lc/libnimbus_lc.h
@@ -94,7 +94,7 @@ typedef struct ETHConsensusConfig ETHConsensusConfig;
  *         based on the given `config.yaml` file content - If successful.
  * @return `NULL` - If the given `config.yaml` is malformed or incompatible.
  *
- * @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/configs/README.md
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/configs/README.md
  */
 ETH_RESULT_USE_CHECK
 ETHConsensusConfig *_Nullable ETHConsensusConfigCreateFromYaml(const char *configFileContent);
@@ -150,9 +150,9 @@ typedef struct ETHBeaconState ETHBeaconState;
  * @return `NULL` - If the given `sszBytes` is malformed.
  *
  * @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/beacon-chain.md#beaconstate
- * @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#beaconstate
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#beaconstate
  * @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.8/specs/bellatrix/beacon-chain.md#beaconstate
- * @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/beacon-chain.md#beaconstate
+ * @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/beacon-chain.md#beaconstate
  * @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.9/configs/README.md
  */
 ETH_RESULT_USE_CHECK
diff --git a/beacon_chain/libnimbus_lc/libnimbus_lc.nim b/beacon_chain/libnimbus_lc/libnimbus_lc.nim
index 9795999d77..5f53a11213 100644
--- a/beacon_chain/libnimbus_lc/libnimbus_lc.nim
+++ b/beacon_chain/libnimbus_lc/libnimbus_lc.nim
@@ -142,10 +142,10 @@ proc ETHBeaconStateCreateFromSsz(
   ##
   ## See:
   ## * https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#beaconstate
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#beaconstate
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#beaconstate
   ## * https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.8/specs/bellatrix/beacon-chain.md#beaconstate
   ## * https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.3/specs/capella/beacon-chain.md#beaconstate
-  ## * https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/configs/README.md
+  ## * https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/configs/README.md
   let
     consensusFork = ConsensusFork.decodeString($consensusVersion).valueOr:
       return nil
diff --git a/beacon_chain/networking/eth2_network.nim b/beacon_chain/networking/eth2_network.nim
index e8760c7662..f521b5d40e 100644
--- a/beacon_chain/networking/eth2_network.nim
+++ b/beacon_chain/networking/eth2_network.nim
@@ -2267,7 +2267,7 @@ proc getPersistentNetKeys*(
 func gossipId(
     data: openArray[byte], phase0Prefix, topic: string): seq[byte] =
   # https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.10/specs/phase0/p2p-interface.md#topics-and-messages
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/p2p-interface.md#topics-and-messages
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/p2p-interface.md#topics-and-messages
   const MESSAGE_DOMAIN_VALID_SNAPPY = [0x01'u8, 0x00, 0x00, 0x00]
   let messageDigest = withEth2Hash:
     h.update(MESSAGE_DOMAIN_VALID_SNAPPY)
@@ -2635,7 +2635,7 @@ proc loadCgcnetMetadataAndEnr*(node: Eth2Node, cgcnets: CgcCount) =
     debug "Updated ENR cgc", cgcnets
 
 proc updateSyncnetsMetadata*(node: Eth2Node, syncnets: SyncnetBits) =
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/validator.md#sync-committee-subnet-stability
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/validator.md#sync-committee-subnet-stability
   if node.metadata.syncnets == syncnets:
     return
 
diff --git a/beacon_chain/nimbus_beacon_node.nim b/beacon_chain/nimbus_beacon_node.nim
index cb49a440f2..5ddf2867c1 100644
--- a/beacon_chain/nimbus_beacon_node.nim
+++ b/beacon_chain/nimbus_beacon_node.nim
@@ -2059,7 +2059,7 @@ proc installMessageValidators(node: BeaconNode) =
                     MsgSource.gossip, msg, idx)))
 
         # sync_committee_contribution_and_proof
-        # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/p2p-interface.md#sync_committee_contribution_and_proof
+        # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/p2p-interface.md#sync_committee_contribution_and_proof
         node.network.addAsyncValidator(
           getSyncCommitteeContributionAndProofTopic(digest), proc (
             msg: SignedContributionAndProof
@@ -2069,7 +2069,7 @@ proc installMessageValidators(node: BeaconNode) =
                 MsgSource.gossip, msg)))
 
       when consensusFork >= ConsensusFork.Capella:
-        # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/p2p-interface.md#bls_to_execution_change
+        # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/p2p-interface.md#bls_to_execution_change
         node.network.addAsyncValidator(
           getBlsToExecutionChangeTopic(digest), proc (
             msg: SignedBLSToExecutionChange
diff --git a/beacon_chain/rpc/rest_config_api.nim b/beacon_chain/rpc/rest_config_api.nim
index 7e5663a901..b368a26129 100644
--- a/beacon_chain/rpc/rest_config_api.nim
+++ b/beacon_chain/rpc/rest_config_api.nim
@@ -92,7 +92,7 @@ proc installConfigApiHandlers*(router: var RestRouter, node: BeaconNode) =
           MAX_VOLUNTARY_EXITS:
             Base10.toString(MAX_VOLUNTARY_EXITS),
 
-          # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/presets/mainnet/altair.yaml
+          # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/presets/mainnet/altair.yaml
           INACTIVITY_PENALTY_QUOTIENT_ALTAIR:
             Base10.toString(INACTIVITY_PENALTY_QUOTIENT_ALTAIR),
           MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR:
@@ -108,7 +108,7 @@ proc installConfigApiHandlers*(router: var RestRouter, node: BeaconNode) =
           UPDATE_TIMEOUT:
             Base10.toString(UPDATE_TIMEOUT),
 
-          # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/presets/mainnet/bellatrix.yaml
+          # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/presets/mainnet/bellatrix.yaml
           INACTIVITY_PENALTY_QUOTIENT_BELLATRIX:
             Base10.toString(INACTIVITY_PENALTY_QUOTIENT_BELLATRIX),
           MIN_SLASHING_PENALTY_QUOTIENT_BELLATRIX:
@@ -124,7 +124,7 @@ proc installConfigApiHandlers*(router: var RestRouter, node: BeaconNode) =
           MAX_EXTRA_DATA_BYTES:
             Base10.toString(uint64(MAX_EXTRA_DATA_BYTES)),
 
-          # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/presets/mainnet/capella.yaml
+          # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/presets/mainnet/capella.yaml
           MAX_BLS_TO_EXECUTION_CHANGES:
             Base10.toString(uint64(MAX_BLS_TO_EXECUTION_CHANGES)),
           MAX_WITHDRAWALS_PER_PAYLOAD:
diff --git a/beacon_chain/spec/beacon_time.nim b/beacon_chain/spec/beacon_time.nim
index 7bcf0c005a..5d6a317951 100644
--- a/beacon_chain/spec/beacon_time.nim
+++ b/beacon_chain/spec/beacon_time.nim
@@ -135,10 +135,10 @@ template `+`*(a: TimeDiff, b: Duration): TimeDiff =
 const
   # Offsets from the start of the slot to when the corresponding message should
   # be sent
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#attesting
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#attesting
   attestationSlotOffset* = TimeDiff(nanoseconds:
     NANOSECONDS_PER_SLOT.int64 div INTERVALS_PER_SLOT)
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#broadcast-aggregate
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#broadcast-aggregate
   aggregateSlotOffset* = TimeDiff(nanoseconds:
     NANOSECONDS_PER_SLOT.int64  * 2 div INTERVALS_PER_SLOT)
   # https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.10/specs/altair/validator.md#prepare-sync-committee-message
diff --git a/beacon_chain/spec/beaconstate.nim b/beacon_chain/spec/beaconstate.nim
index aaf4744f6b..06aa862bc0 100644
--- a/beacon_chain/spec/beaconstate.nim
+++ b/beacon_chain/spec/beaconstate.nim
@@ -400,7 +400,7 @@ func get_proposer_reward(state: ForkyBeaconState, whistleblower_reward: Gwei): G
 
 # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/beacon-chain.md#slash_validator
 # https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/altair/beacon-chain.md#modified-slash_validator
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/bellatrix/beacon-chain.md#modified-slash_validator
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/bellatrix/beacon-chain.md#modified-slash_validator
 proc slash_validator*(
     cfg: RuntimeConfig, state: var ForkyBeaconState,
     slashed_index: ValidatorIndex, pre_exit_queue_info: ExitQueueInfo,
@@ -935,7 +935,7 @@ func get_base_reward_per_increment*(
   get_base_reward_per_increment_sqrt(
     integer_squareroot(distinctBase(total_active_balance)))
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#get_base_reward
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#get_base_reward
 func get_base_reward(
     state: altair.BeaconState | bellatrix.BeaconState | capella.BeaconState |
            deneb.BeaconState | electra.BeaconState | fulu.BeaconState,
@@ -1050,7 +1050,7 @@ proc check_attestation*(
 
   ok()
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/beacon-chain.md#new-process_bls_to_execution_change
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/beacon-chain.md#new-process_bls_to_execution_change
 proc check_bls_to_execution_change*(
     genesisFork: Fork,
     state: capella.BeaconState | deneb.BeaconState | electra.BeaconState |
diff --git a/beacon_chain/spec/datatypes/altair.nim b/beacon_chain/spec/datatypes/altair.nim
index 0eea9e077d..a3d5174744 100644
--- a/beacon_chain/spec/datatypes/altair.nim
+++ b/beacon_chain/spec/datatypes/altair.nim
@@ -40,7 +40,7 @@ static:
   doAssert ord(TIMELY_HEAD_FLAG_INDEX) == 2
 
 const
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#incentivization-weights
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#incentivization-weights
   TIMELY_SOURCE_WEIGHT* = 14
   TIMELY_TARGET_WEIGHT* = 26
   TIMELY_HEAD_WEIGHT* = 14
@@ -96,7 +96,7 @@ type
     sync_committee_bits*: BitArray[SYNC_COMMITTEE_SIZE]
     sync_committee_signature*: TrustedSig
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#synccommittee
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#synccommittee
   SyncCommittee* = object
     pubkeys*: HashArray[Limit SYNC_COMMITTEE_SIZE, ValidatorPubKey]
     aggregate_pubkey*: ValidatorPubKey
diff --git a/beacon_chain/spec/datatypes/base.nim b/beacon_chain/spec/datatypes/base.nim
index bd97d539be..18ce2dcbd7 100644
--- a/beacon_chain/spec/datatypes/base.nim
+++ b/beacon_chain/spec/datatypes/base.nim
@@ -400,7 +400,7 @@ type
     sync_committees*: Table[SyncCommitteePeriod, SyncCommitteeCache]
 
   # This matches the mutable state of the Solidity deposit contract
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/solidity_deposit_contract/deposit_contract.sol
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/solidity_deposit_contract/deposit_contract.sol
   DepositContractState* = object
     branch*: array[DEPOSIT_CONTRACT_TREE_DEPTH, Eth2Digest]
     deposit_count*: array[32, byte] # Uint256
diff --git a/beacon_chain/spec/datatypes/capella.nim b/beacon_chain/spec/datatypes/capella.nim
index ac7ee58a3b..75e114c699 100644
--- a/beacon_chain/spec/datatypes/capella.nim
+++ b/beacon_chain/spec/datatypes/capella.nim
@@ -53,7 +53,7 @@ type
     from_bls_pubkey*: ValidatorPubKey
     to_execution_address*: ExecutionAddress
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/beacon-chain.md#signedblstoexecutionchange
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/beacon-chain.md#signedblstoexecutionchange
   SignedBLSToExecutionChange* = object
     message*: BLSToExecutionChange
     signature*: ValidatorSig
@@ -676,13 +676,13 @@ func is_valid_light_client_header*(
     get_subtree_index(EXECUTION_PAYLOAD_GINDEX),
     header.beacon.body_root)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/light-client/fork.md#upgrading-light-client-data
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/light-client/fork.md#upgrading-light-client-data
 func upgrade_lc_header_to_capella*(
     pre: altair.LightClientHeader): LightClientHeader =
   LightClientHeader(
     beacon: pre.beacon)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/light-client/fork.md#upgrading-light-client-data
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/light-client/fork.md#upgrading-light-client-data
 func upgrade_lc_bootstrap_to_capella*(
     pre: altair.LightClientBootstrap): LightClientBootstrap =
   LightClientBootstrap(
@@ -690,7 +690,7 @@ func upgrade_lc_bootstrap_to_capella*(
     current_sync_committee: pre.current_sync_committee,
     current_sync_committee_branch: pre.current_sync_committee_branch)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/light-client/fork.md#upgrading-light-client-data
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/light-client/fork.md#upgrading-light-client-data
 func upgrade_lc_update_to_capella*(
     pre: altair.LightClientUpdate): LightClientUpdate =
   LightClientUpdate(
@@ -702,7 +702,7 @@ func upgrade_lc_update_to_capella*(
     sync_aggregate: pre.sync_aggregate,
     signature_slot: pre.signature_slot)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/light-client/fork.md#upgrading-light-client-data
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/light-client/fork.md#upgrading-light-client-data
 func upgrade_lc_finality_update_to_capella*(
     pre: altair.LightClientFinalityUpdate): LightClientFinalityUpdate =
   LightClientFinalityUpdate(
@@ -712,7 +712,7 @@ func upgrade_lc_finality_update_to_capella*(
     sync_aggregate: pre.sync_aggregate,
     signature_slot: pre.signature_slot)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/light-client/fork.md#upgrading-light-client-data
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/light-client/fork.md#upgrading-light-client-data
 func upgrade_lc_optimistic_update_to_capella*(
     pre: altair.LightClientOptimisticUpdate): LightClientOptimisticUpdate =
   LightClientOptimisticUpdate(
diff --git a/beacon_chain/spec/datatypes/constants.nim b/beacon_chain/spec/datatypes/constants.nim
index 1d52267e04..5db2e3c02c 100644
--- a/beacon_chain/spec/datatypes/constants.nim
+++ b/beacon_chain/spec/datatypes/constants.nim
@@ -55,7 +55,7 @@ const
   DOMAIN_SYNC_COMMITTEE_SELECTION_PROOF* = DomainType([byte 0x08, 0x00, 0x00, 0x00])
   DOMAIN_CONTRIBUTION_AND_PROOF* = DomainType([byte 0x09, 0x00, 0x00, 0x00])
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/beacon-chain.md#domain-types
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/beacon-chain.md#domain-types
   DOMAIN_BLS_TO_EXECUTION_CHANGE* = DomainType([byte 0x0a, 0x00, 0x00, 0x00])
 
   # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/fork-choice.md#configuration
diff --git a/beacon_chain/spec/datatypes/deneb.nim b/beacon_chain/spec/datatypes/deneb.nim
index 2e6ccd05ed..74a8933fd1 100644
--- a/beacon_chain/spec/datatypes/deneb.nim
+++ b/beacon_chain/spec/datatypes/deneb.nim
@@ -382,7 +382,7 @@ type
     state_root*: Eth2Digest
     body*: TrustedBeaconBlockBody
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/deneb/beacon-chain.md#beaconblockbody
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/deneb/beacon-chain.md#beaconblockbody
   BeaconBlockBody* = object
     randao_reveal*: ValidatorSig
     eth1_data*: Eth1Data
@@ -725,7 +725,7 @@ func upgrade_lc_update_to_deneb*(
     sync_aggregate: pre.sync_aggregate,
     signature_slot: pre.signature_slot)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/deneb/light-client/fork.md#upgrading-light-client-data
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/deneb/light-client/fork.md#upgrading-light-client-data
 func upgrade_lc_finality_update_to_deneb*(
     pre: capella.LightClientFinalityUpdate): LightClientFinalityUpdate =
   LightClientFinalityUpdate(
diff --git a/beacon_chain/spec/datatypes/electra.nim b/beacon_chain/spec/datatypes/electra.nim
index b55e7c6d10..ba55beb4b2 100644
--- a/beacon_chain/spec/datatypes/electra.nim
+++ b/beacon_chain/spec/datatypes/electra.nim
@@ -186,13 +186,13 @@ type
     data*: AttestationData
     signature*: ValidatorSig
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#aggregateandproof
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#aggregateandproof
   AggregateAndProof* = object
     aggregator_index*: uint64 # `ValidatorIndex` after validation
     aggregate*: Attestation
     selection_proof*: ValidatorSig
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#signedaggregateandproof
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#signedaggregateandproof
   SignedAggregateAndProof* = object
     message*: AggregateAndProof
     signature*: ValidatorSig
diff --git a/beacon_chain/spec/helpers.nim b/beacon_chain/spec/helpers.nim
index 621a96f20a..9c0a00e0d6 100644
--- a/beacon_chain/spec/helpers.nim
+++ b/beacon_chain/spec/helpers.nim
@@ -203,7 +203,7 @@ func get_seed*(state: ForkyBeaconState, epoch: Epoch, domain_type: DomainType):
     epoch + EPOCHS_PER_HISTORICAL_VECTOR - MIN_SEED_LOOKAHEAD - 1)
   state.get_seed(epoch, domain_type, mix)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#add_flag
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#add_flag
 func add_flag*(flags: ParticipationFlags, flag_index: TimelyFlag): ParticipationFlags =
   let flag = ParticipationFlags(1'u8 shl ord(flag_index))
   flags or flag
@@ -380,7 +380,7 @@ func contextEpoch*(bootstrap: ForkyLightClientBootstrap): Epoch =
 func contextEpoch*(update: SomeForkyLightClientUpdate): Epoch =
   update.attested_header.beacon.slot.epoch
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/bellatrix/beacon-chain.md#is_merge_transition_complete
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/bellatrix/beacon-chain.md#is_merge_transition_complete
 func is_merge_transition_complete*(
     state: bellatrix.BeaconState | capella.BeaconState | deneb.BeaconState |
            electra.BeaconState | fulu.BeaconState): bool =
@@ -418,7 +418,7 @@ func is_merge_transition_block(
   not is_merge_transition_complete(state) and
     body.execution_payload != defaultExecutionPayload
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/bellatrix/beacon-chain.md#is_execution_enabled
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/bellatrix/beacon-chain.md#is_execution_enabled
 func is_execution_enabled*(
     state: bellatrix.BeaconState | capella.BeaconState | deneb.BeaconState |
            electra.BeaconState | fulu.BeaconState,
diff --git a/beacon_chain/spec/keystore.nim b/beacon_chain/spec/keystore.nim
index 5df626f804..3669cb9718 100644
--- a/beacon_chain/spec/keystore.nim
+++ b/beacon_chain/spec/keystore.nim
@@ -1386,7 +1386,7 @@ proc createWallet*(kdfKind: KdfKind,
     crypto: crypto,
     nextAccount: nextAccount.get(0))
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#bls_withdrawal_prefix
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#bls_withdrawal_prefix
 func makeWithdrawalCredentials*(k: ValidatorPubKey): Eth2Digest =
   var bytes = eth2digest(k.toRaw())
   bytes.data[0] = BLS_WITHDRAWAL_PREFIX.uint8
diff --git a/beacon_chain/spec/network.nim b/beacon_chain/spec/network.nim
index d1f360dd4d..88522aef89 100644
--- a/beacon_chain/spec/network.nim
+++ b/beacon_chain/spec/network.nim
@@ -72,7 +72,7 @@ func getAggregateAndProofsTopic*(forkDigest: ForkDigest): string =
 func getBlsToExecutionChangeTopic*(forkDigest: ForkDigest): string =
   eth2Prefix(forkDigest) & topicBlsToExecutionChangeSuffix
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#broadcast-attestation
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#broadcast-attestation
 func compute_subnet_for_attestation*(
     committees_per_slot: uint64, slot: Slot, committee_index: CommitteeIndex):
     SubnetId =
@@ -88,19 +88,19 @@ func compute_subnet_for_attestation*(
     (committees_since_epoch_start + committee_index.asUInt64) mod
     ATTESTATION_SUBNET_COUNT)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#broadcast-attestation
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#broadcast-attestation
 func getAttestationTopic*(forkDigest: ForkDigest,
                           subnetId: SubnetId): string =
   ## For subscribing and unsubscribing to/from a subnet.
   eth2Prefix(forkDigest) & "beacon_attestation_" & $(subnetId) & "/ssz_snappy"
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/p2p-interface.md#topics-and-messages
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/p2p-interface.md#topics-and-messages
 func getSyncCommitteeTopic*(forkDigest: ForkDigest,
                             subcommitteeIdx: SyncSubcommitteeIndex): string =
   ## For subscribing and unsubscribing to/from a subnet.
   eth2Prefix(forkDigest) & "sync_committee_" & $subcommitteeIdx & "/ssz_snappy"
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/p2p-interface.md#topics-and-messages
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/p2p-interface.md#topics-and-messages
 func getSyncCommitteeContributionAndProofTopic*(forkDigest: ForkDigest): string =
   ## For subscribing and unsubscribing to/from a subnet.
   eth2Prefix(forkDigest) & "sync_committee_contribution_and_proof/ssz_snappy"
diff --git a/beacon_chain/spec/peerdas_helpers.nim b/beacon_chain/spec/peerdas_helpers.nim
index 0f5acb2cdb..e47cf32f64 100644
--- a/beacon_chain/spec/peerdas_helpers.nim
+++ b/beacon_chain/spec/peerdas_helpers.nim
@@ -264,7 +264,7 @@ proc get_data_column_sidecars*(signed_beacon_block: electra.SignedBeaconBlock,
 
   ok(sidecars)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/fulu/peer-sampling.md#get_extended_sample_count
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/fulu/peer-sampling.md#get_extended_sample_count
 func get_extended_sample_count*(samples_per_slot: int,
                                 allowed_failures: int):
                                 int =
diff --git a/beacon_chain/spec/presets/mainnet/altair_preset.nim b/beacon_chain/spec/presets/mainnet/altair_preset.nim
index e7aef1b667..e22d89596f 100644
--- a/beacon_chain/spec/presets/mainnet/altair_preset.nim
+++ b/beacon_chain/spec/presets/mainnet/altair_preset.nim
@@ -8,7 +8,7 @@
 {.push raises: [].}
 
 # Mainnet preset - Altair
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/presets/mainnet/altair.yaml
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/presets/mainnet/altair.yaml
 const
   # Updated penalty values
   # ---------------------------------------------------------------
diff --git a/beacon_chain/spec/presets/mainnet/bellatrix_preset.nim b/beacon_chain/spec/presets/mainnet/bellatrix_preset.nim
index 92deb20c01..ceaa94ae90 100644
--- a/beacon_chain/spec/presets/mainnet/bellatrix_preset.nim
+++ b/beacon_chain/spec/presets/mainnet/bellatrix_preset.nim
@@ -8,7 +8,7 @@
 {.push raises: [].}
 
 # Mainnet preset - Bellatrix
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/presets/mainnet/bellatrix.yaml
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/presets/mainnet/bellatrix.yaml
 const
   # Updated penalty values
   # ---------------------------------------------------------------
diff --git a/beacon_chain/spec/presets/mainnet/capella_preset.nim b/beacon_chain/spec/presets/mainnet/capella_preset.nim
index 172258b674..aa44c62b38 100644
--- a/beacon_chain/spec/presets/mainnet/capella_preset.nim
+++ b/beacon_chain/spec/presets/mainnet/capella_preset.nim
@@ -8,7 +8,7 @@
 {.push raises: [].}
 
 # Mainnet preset - Capella
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/presets/mainnet/capella.yaml
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/presets/mainnet/capella.yaml
 const
   # Max operations per block
   # ---------------------------------------------------------------
diff --git a/beacon_chain/spec/presets/minimal/altair_preset.nim b/beacon_chain/spec/presets/minimal/altair_preset.nim
index 4aa5a348b0..fb49f13219 100644
--- a/beacon_chain/spec/presets/minimal/altair_preset.nim
+++ b/beacon_chain/spec/presets/minimal/altair_preset.nim
@@ -8,7 +8,7 @@
 {.push raises: [].}
 
 # Minimal preset - Altair
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/presets/minimal/altair.yaml
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/presets/minimal/altair.yaml
 const
   # Updated penalty values
   # ---------------------------------------------------------------
diff --git a/beacon_chain/spec/presets/minimal/bellatrix_preset.nim b/beacon_chain/spec/presets/minimal/bellatrix_preset.nim
index 0a653313bd..6cdc0bb7f0 100644
--- a/beacon_chain/spec/presets/minimal/bellatrix_preset.nim
+++ b/beacon_chain/spec/presets/minimal/bellatrix_preset.nim
@@ -8,7 +8,7 @@
 {.push raises: [].}
 
 # Minimal preset - Bellatrix
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/presets/minimal/bellatrix.yaml
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/presets/minimal/bellatrix.yaml
 const
   # Updated penalty values
   # ---------------------------------------------------------------
diff --git a/beacon_chain/spec/presets/minimal/capella_preset.nim b/beacon_chain/spec/presets/minimal/capella_preset.nim
index 7b98596aa2..587435f0e7 100644
--- a/beacon_chain/spec/presets/minimal/capella_preset.nim
+++ b/beacon_chain/spec/presets/minimal/capella_preset.nim
@@ -8,7 +8,7 @@
 {.push raises: [].}
 
 # Minimal preset - Capella
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/presets/minimal/capella.yaml
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/presets/minimal/capella.yaml
 const
   # Max operations per block
   # ---------------------------------------------------------------
diff --git a/beacon_chain/spec/signatures.nim b/beacon_chain/spec/signatures.nim
index c5f0ea2ec1..de5de34707 100644
--- a/beacon_chain/spec/signatures.nim
+++ b/beacon_chain/spec/signatures.nim
@@ -59,7 +59,7 @@ func compute_epoch_signing_root*(
   let domain = get_domain(fork, DOMAIN_RANDAO, epoch, genesis_validators_root)
   compute_signing_root(epoch, domain)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#randao-reveal
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#randao-reveal
 func get_epoch_signature*(
     fork: Fork, genesis_validators_root: Eth2Digest, epoch: Epoch,
     privkey: ValidatorPrivKey): CookedSig =
@@ -145,7 +145,7 @@ func compute_attestation_signing_root*(
       fork, DOMAIN_BEACON_ATTESTER, epoch, genesis_validators_root)
   compute_signing_root(attestation_data, domain)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#aggregate-signature
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#aggregate-signature
 func get_attestation_signature*(
     fork: Fork, genesis_validators_root: Eth2Digest,
     attestation_data: AttestationData,
@@ -355,7 +355,7 @@ proc get_contribution_and_proof_signature*(
 
   blsSign(privkey, signing_root.data)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/validator.md#aggregation-selection
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/validator.md#aggregation-selection
 func is_sync_committee_aggregator*(signature: ValidatorSig): bool =
   let
     signatureDigest = eth2digest(signature.blob)
diff --git a/beacon_chain/spec/state_transition.nim b/beacon_chain/spec/state_transition.nim
index e21bcd4961..98b48bb302 100644
--- a/beacon_chain/spec/state_transition.nim
+++ b/beacon_chain/spec/state_transition.nim
@@ -382,7 +382,7 @@ func partialBeaconBlock*(
     _: ExecutionRequests): auto =
   const consensusFork = typeof(state).kind
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#preparing-for-a-beaconblock
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#preparing-for-a-beaconblock
   var res = consensusFork.BeaconBlock(
     slot: state.data.slot,
     proposer_index: proposer_index.uint64,
@@ -512,7 +512,7 @@ proc makeBeaconBlockWithRewards*(
             transactions_root.get
 
           when executionPayload is deneb.ExecutionPayloadForSigning:
-            # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/deneb/beacon-chain.md#beaconblockbody
+            # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/deneb/beacon-chain.md#beaconblockbody
             forkyState.data.latest_block_header.body_root = hash_tree_root(
               [hash_tree_root(randao_reveal),
                hash_tree_root(eth1_data),
diff --git a/beacon_chain/spec/state_transition_block.nim b/beacon_chain/spec/state_transition_block.nim
index 1c67c7244b..d63b08c1e2 100644
--- a/beacon_chain/spec/state_transition_block.nim
+++ b/beacon_chain/spec/state_transition_block.nim
@@ -10,8 +10,8 @@
 # State transition - block processing as described in
 # https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.8/specs/phase0/beacon-chain.md#block-processing
 # https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.9/specs/altair/beacon-chain.md#block-processing
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/bellatrix/beacon-chain.md#block-processing
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/capella/beacon-chain.md#block-processing
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/bellatrix/beacon-chain.md#block-processing
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/capella/beacon-chain.md#block-processing
 # https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.8/specs/deneb/beacon-chain.md#block-processing
 # https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.7/specs/electra/beacon-chain.md#block-processing
 #
@@ -801,7 +801,7 @@ func get_participant_reward*(total_active_balance: Gwei): Gwei =
 func get_proposer_reward*(participant_reward: Gwei): Gwei =
   participant_reward * PROPOSER_WEIGHT div (WEIGHT_DENOMINATOR - PROPOSER_WEIGHT)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#sync-aggregate-processing
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#sync-aggregate-processing
 proc process_sync_aggregate*(
     state: var (altair.BeaconState | bellatrix.BeaconState |
                 capella.BeaconState | deneb.BeaconState | electra.BeaconState |
@@ -1213,7 +1213,7 @@ proc process_block*(
 
   ok(? process_operations(cfg, state, blck.body, 0.Gwei, flags, cache))
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#block-processing
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#block-processing
 # TODO workaround for https://github.com/nim-lang/Nim/issues/18095
 # copy of datatypes/altair.nim
 type SomeAltairBlock =
diff --git a/beacon_chain/spec/state_transition_epoch.nim b/beacon_chain/spec/state_transition_epoch.nim
index ddcc2c103a..522091f8e5 100644
--- a/beacon_chain/spec/state_transition_epoch.nim
+++ b/beacon_chain/spec/state_transition_epoch.nim
@@ -174,7 +174,7 @@ func is_eligible_validator*(validator: ParticipationInfo): bool =
 
 from ./datatypes/deneb import BeaconState
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#get_unslashed_participating_indices
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#get_unslashed_participating_indices
 func get_unslashed_participating_balances*(
     state: altair.BeaconState | bellatrix.BeaconState | capella.BeaconState |
            deneb.BeaconState | electra.BeaconState | fulu.BeaconState):
@@ -650,7 +650,7 @@ func get_base_reward_increment*(
     EFFECTIVE_BALANCE_INCREMENT.Gwei
   increments * base_reward_per_increment
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#get_flag_index_deltas
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#get_flag_index_deltas
 func get_flag_index_reward*(
     state: altair.BeaconState | bellatrix.BeaconState | capella.BeaconState |
            deneb.BeaconState | electra.BeaconState | fulu.BeaconState,
@@ -976,7 +976,7 @@ func process_registry_updates*(
   ok()
 
 # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/beacon-chain.md#slashings
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#slashings
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#slashings
 # https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.8/specs/bellatrix/beacon-chain.md#slashings
 func get_adjusted_total_slashing_balance*(
     state: ForkyBeaconState, total_balance: Gwei): Gwei =
@@ -1038,7 +1038,7 @@ func get_slashing_penalty*(
 
 # https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.7/specs/phase0/beacon-chain.md#slashings
 # https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.9/specs/altair/beacon-chain.md#slashings
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/bellatrix/beacon-chain.md#slashings
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/bellatrix/beacon-chain.md#slashings
 # https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.7/specs/electra/beacon-chain.md#modified-process_slashings
 func get_slashing(
     state: ForkyBeaconState, total_balance: Gwei, vidx: ValidatorIndex): Gwei =
@@ -1140,7 +1140,7 @@ func process_participation_record_updates*(state: var phase0.BeaconState) =
   state.previous_epoch_attestations.clear()
   swap(state.previous_epoch_attestations, state.current_epoch_attestations)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#participation-flags-updates
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#participation-flags-updates
 func process_participation_flag_updates*(
     state: var (altair.BeaconState | bellatrix.BeaconState |
                 capella.BeaconState | deneb.BeaconState |
@@ -1502,7 +1502,7 @@ proc process_epoch*(
   let epoch = get_current_epoch(state)
   info.init(state)
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#justification-and-finalization
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#justification-and-finalization
   process_justification_and_finalization(state, info.balances, flags)
 
   # state.slot hasn't been incremented yet.
@@ -1545,7 +1545,7 @@ proc process_epoch*(
   let epoch = get_current_epoch(state)
   info.init(state)
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/beacon-chain.md#justification-and-finalization
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/beacon-chain.md#justification-and-finalization
   process_justification_and_finalization(state, info.balances, flags)
 
   # state.slot hasn't been incremented yet.
diff --git a/beacon_chain/validators/beacon_validators.nim b/beacon_chain/validators/beacon_validators.nim
index e7276d09b9..60cb698b0e 100644
--- a/beacon_chain/validators/beacon_validators.nim
+++ b/beacon_chain/validators/beacon_validators.nim
@@ -1770,8 +1770,8 @@ proc signAndSendAggregate(
 
     signAndSendAggregatedAttestations()
   else:
-    # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#construct-aggregate
-    # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#aggregateandproof
+    # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#construct-aggregate
+    # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#aggregateandproof
     var msg = phase0.SignedAggregateAndProof(
       message: phase0.AggregateAndProof(
         aggregator_index: distinctBase validator_index,
@@ -2126,7 +2126,7 @@ proc handleValidatorDuties*(node: BeaconNode, lastSlot, slot: Slot) {.async: (ra
 
   updateValidatorMetrics(node) # the important stuff is done, update the vanity numbers
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#broadcast-aggregate
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#broadcast-aggregate
   # https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.10/specs/altair/validator.md#broadcast-sync-committee-contribution
   # Wait 2 / 3 of the slot time to allow messages to propagate, then collect
   # the result in aggregates
diff --git a/beacon_chain/validators/slashing_protection_v2.nim b/beacon_chain/validators/slashing_protection_v2.nim
index fbc490dbb1..662e9b3faa 100644
--- a/beacon_chain/validators/slashing_protection_v2.nim
+++ b/beacon_chain/validators/slashing_protection_v2.nim
@@ -36,7 +36,7 @@ export results
 # - https://notes.ethereum.org/@djrtwo/Bkn3zpwxB#Validator-responsibilities
 #
 # Phase 0 spec - Honest Validator - how to avoid slashing
-# - https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#how-to-avoid-slashing
+# - https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#how-to-avoid-slashing
 #
 # In-depth reading on slashing conditions
 #
@@ -58,7 +58,7 @@ export results
 #   2. An attester can get slashed for signing
 #      two attestations that together violate
 #      the Casper FFG slashing conditions.
-# - https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#ffg-vote
+# - https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#ffg-vote
 #   The "source" is the current_justified_epoch
 #   The "target" is the current_epoch
 #
diff --git a/beacon_chain/validators/validator_pool.nim b/beacon_chain/validators/validator_pool.nim
index 777eec6416..865a276fbd 100644
--- a/beacon_chain/validators/validator_pool.nim
+++ b/beacon_chain/validators/validator_pool.nim
@@ -526,7 +526,7 @@ proc signData(v: AttachedValidator,
   else:
     v.signWithDistributedKey(request)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#signature
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#signature
 proc getBlockSignature*(v: AttachedValidator, fork: Fork,
                         genesis_validators_root: Eth2Digest, slot: Slot,
                         block_root: Eth2Digest,
@@ -882,7 +882,7 @@ proc getSyncCommitteeMessage*(v: AttachedValidator,
     )
   )
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/altair/validator.md#aggregation-selection
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/altair/validator.md#aggregation-selection
 proc getSyncCommitteeSelectionProof*(v: AttachedValidator, fork: Fork,
                                      genesis_validators_root: Eth2Digest,
                                      slot: Slot,
@@ -918,7 +918,7 @@ proc getContributionAndProofSignature*(v: AttachedValidator, fork: Fork,
       fork, genesis_validators_root, contribution_and_proof)
     await v.signData(request)
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#randao-reveal
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#randao-reveal
 proc getEpochSignature*(v: AttachedValidator, fork: Fork,
                         genesis_validators_root: Eth2Digest, epoch: Epoch
                        ): Future[SignatureResult]
diff --git a/tests/consensus_spec/altair/test_fixture_light_client_sync_protocol.nim b/tests/consensus_spec/altair/test_fixture_light_client_sync_protocol.nim
index 75863eed74..21c7e8e9d8 100644
--- a/tests/consensus_spec/altair/test_fixture_light_client_sync_protocol.nim
+++ b/tests/consensus_spec/altair/test_fixture_light_client_sync_protocol.nim
@@ -23,7 +23,7 @@ import
   # Test utilities
   ../../testutil, ../../testblockutil
 
-# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/tests/core/pyspec/eth2spec/test/helpers/sync_committee.py#L27-L44
+# https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/tests/core/pyspec/eth2spec/test/helpers/sync_committee.py#L27-L44
 proc compute_aggregate_sync_committee_signature(
     cfg: RuntimeConfig,
     forked: ForkedHashedBeaconState,
diff --git a/tests/consensus_spec/fixtures_utils.nim b/tests/consensus_spec/fixtures_utils.nim
index b28df613db..9e7a592dbc 100644
--- a/tests/consensus_spec/fixtures_utils.nim
+++ b/tests/consensus_spec/fixtures_utils.nim
@@ -90,7 +90,7 @@ type
     rewards*: List[Gwei, Limit VALIDATOR_REGISTRY_LIMIT]
     penalties*: List[Gwei, Limit VALIDATOR_REGISTRY_LIMIT]
 
-  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/specs/phase0/validator.md#eth1block
+  # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/specs/phase0/validator.md#eth1block
   Eth1Block* = object
     timestamp*: uint64
     deposit_root*: Eth2Digest
diff --git a/tests/consensus_spec/test_fixture_kzg.nim b/tests/consensus_spec/test_fixture_kzg.nim
index 6d6ee2f4c9..c8f37938b7 100644
--- a/tests/consensus_spec/test_fixture_kzg.nim
+++ b/tests/consensus_spec/test_fixture_kzg.nim
@@ -76,7 +76,7 @@ proc runVerifyKzgProofTest(suiteName, suitePath, path: string) =
       y = fromHex[32](data["input"]["y"].getStr)
       proof = fromHex[48](data["input"]["proof"].getStr)
 
-    # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/tests/formats/kzg_4844/verify_kzg_proof.md#condition
+    # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/tests/formats/kzg_4844/verify_kzg_proof.md#condition
     # "If the commitment or proof is invalid (e.g. not on the curve or not in
     # the G1 subgroup of the BLS curve) or `z` or `y` are not a valid BLS
     # field element, it should error, i.e. the output should be `null`."
@@ -236,7 +236,7 @@ proc runVerifyCellKzgProofBatchTest(suiteName, suitePath, path: string) =
       cells = data["input"]["cells"].mapIt(fromHex[2048](it.getStr))
       proofs = data["input"]["proofs"].mapIt(fromHex[48](it.getStr))
 
-    # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.0/tests/formats/kzg_7594/verify_cell_kzg_proof_batch.md#condition
+    # https://github.com/ethereum/consensus-specs/blob/v1.5.0-beta.1/tests/formats/kzg_7594/verify_cell_kzg_proof_batch.md#condition
     # If the blob is invalid (e.g. incorrect length or one of the 32-byte
     # blocks does not represent a BLS field element) it should error, i.e. the
     # the output should be `null`.