diff --git a/snapshots/V4RouterTest.json b/snapshots/V4RouterTest.json
index ff5612e8..c7965855 100644
--- a/snapshots/V4RouterTest.json
+++ b/snapshots/V4RouterTest.json
@@ -22,5 +22,6 @@
   "V4Router_ExactOut3Hops_nativeOut": "224943",
   "V4Router_ExactOutputSingle": "133337",
   "V4Router_ExactOutputSingle_nativeIn_sweepETH": "126419",
-  "V4Router_ExactOutputSingle_nativeOut": "119821"
+  "V4Router_ExactOutputSingle_nativeOut": "119821",
+  "position manager initcode hash (without constructor params, as uint256)": "27545762869727400677117557485685740862616789454191614676777323590122002226479"
 }
\ No newline at end of file
diff --git a/test/router/V4Router.gas.t.sol b/test/router/V4Router.gas.t.sol
index 3be32029..d3e4c1e5 100644
--- a/test/router/V4Router.gas.t.sol
+++ b/test/router/V4Router.gas.t.sol
@@ -22,6 +22,13 @@ contract V4RouterTest is RoutingTestHelpers {
         vm.snapshotValue("V4Router_Bytecode", address(router).code.length);
     }
 
+    function test_router_initcodeHash() public {
+        vm.snapshotValue(
+            "position manager initcode hash (without constructor params, as uint256)",
+            uint256(keccak256(abi.encodePacked(vm.getCode("MockV4Router.sol:MockV4Router"))))
+        );
+    }
+
     /*//////////////////////////////////////////////////////////////
                         ERC20 -> ERC20 EXACT INPUT
     //////////////////////////////////////////////////////////////*/