diff --git a/cabal.project b/cabal.project
index 0983ea7adba..efccf4b406d 100644
--- a/cabal.project
+++ b/cabal.project
@@ -169,6 +169,7 @@ allow-newer:
     async-timer:unliftio-core
   , servant-openapi3:*
   , katip:Win32
+  , ekg-wai:time
 
 constraints:
     base >= 4.18.2.0 && < 5
@@ -177,6 +178,13 @@ constraints:
 
   , bech32 >= 1.1.7
 
+  -- Force newer version of `lobemo-backend-ekg` here,
+  -- because older versions depend on `snap-server`,
+  -- which in turns fails to link on linux musl
+  -- due to some missing `sendfile64` hack.
+  -- (We use linux musl to get statically linked binaries.)
+  , lobemo-backend-ekg >= 0.2.0.0
+
   -- lower versions of katip won't build with the Win32-2.12.0.1
   -- which is shipped with the ghc-9.2.8
   , katip >= 0.8.7.4
@@ -185,10 +193,10 @@ constraints:
   -- Cardano Node dependencies:
   , io-classes >= 1.4
   , io-classes -asserts
-  
-  , cardano-ledger-api ==1.9.4.0
 
-  , ouroboros-network == 0.17.1.2
+  , cardano-ledger-api ^>= 1.9
+
+  , ouroboros-network ^>= 0.17
 
 
 -- Related to: https://github.com/haskell/cabal/issues/8554
diff --git a/nix/haskell.nix b/nix/haskell.nix
index 4d416538f9b..51aed7f7960 100644
--- a/nix/haskell.nix
+++ b/nix/haskell.nix
@@ -295,9 +295,6 @@ CHaP: haskell-nix: nixpkgs-recent: nodePkgs: haskell-nix.cabalProject' [
             # does not require any messing with cabal files.
             packages.katip.doExactConfig = true;
 
-            # split data output for ekg to reduce closure size
-            packages.ekg.components.library.enableSeparateDataOutput = true;
-
             # Avoid this error on the windows build:
             #   Wrap.hsc:96:10: fatal error: regex.h: No such file or directory
             packages.regex-posix.flags._regex-posix-clib = stdenv.hostPlatform.isWindows;