diff --git a/packages/contracts-bedrock/snapshots/semver-lock.json b/packages/contracts-bedrock/snapshots/semver-lock.json
index 632df042114c9..179222619cf01 100644
--- a/packages/contracts-bedrock/snapshots/semver-lock.json
+++ b/packages/contracts-bedrock/snapshots/semver-lock.json
@@ -24,8 +24,8 @@
     "sourceCodeHash": "0xafa3ebc3061831c4503664dff2e290934a2ba0ec7be354e1a11afcf9d130962e"
   },
   "src/L1/OptimismPortal2.sol:OptimismPortal2": {
-    "initCodeHash": "0x6f0c9089e4cbe2360473c95235115a4eb31462cd06799cd7ff288fc85efdbf91",
-    "sourceCodeHash": "0x2fa10a8e28dac549ec29270aa0f3ddd8963873762fd8dcd19a0fc8bc14e8d1fe"
+    "initCodeHash": "0x785b09610b2da65d248b49150fafc85b8369c921ddae95b0ea45608b1ce5cbc6",
+    "sourceCodeHash": "0x925821e7ca59f1799a900fbf5ce7d2c6bef35fc2636c306977d9889f60a987bb"
   },
   "src/L1/ProtocolVersions.sol:ProtocolVersions": {
     "initCodeHash": "0x5a76c8530cb24cf23d3baacc6eefaac226382af13f1e2a35535d2ec2b0573b29",
diff --git a/packages/contracts-bedrock/src/L1/OptimismPortal2.sol b/packages/contracts-bedrock/src/L1/OptimismPortal2.sol
index e68b022594299..ef2f8c8cb0e07 100644
--- a/packages/contracts-bedrock/src/L1/OptimismPortal2.sol
+++ b/packages/contracts-bedrock/src/L1/OptimismPortal2.sol
@@ -232,9 +232,9 @@ contract OptimismPortal2 is Initializable, ResourceMetering, ReinitializableBase
     error OptimismPortal_MigratingToSameRegistry();
 
     /// @notice Semantic version.
-    /// @custom:semver 4.5.0
+    /// @custom:semver 4.6.0
     function version() public pure virtual returns (string memory) {
-        return "4.5.0";
+        return "4.6.0";
     }
 
     /// @param _proofMaturityDelaySeconds The proof maturity delay in seconds.
@@ -331,8 +331,9 @@ contract OptimismPortal2 is Initializable, ResourceMetering, ReinitializableBase
 
     /// @custom:legacy
     /// @notice Getter for the retirement timestamp. Note that this value NO LONGER reflects the
-    ///         timestamp at which the respected game type. Game retirement and respected game type
-    ///         value have been decoupled, this function now only returns the retirement timestamp.
+    ///         timestamp at which the respected game type was updated. Game retirement and
+    ///         respected game type value have been decoupled, this function now only returns the
+    ///         retirement timestamp.
     function respectedGameTypeUpdatedAt() external view returns (uint64) {
         return anchorStateRegistry.retirementTimestamp();
     }
@@ -672,8 +673,8 @@ contract OptimismPortal2 is Initializable, ResourceMetering, ReinitializableBase
         // be achieved through contracts built on top of this contract
         emit WithdrawalFinalized(withdrawalHash, success);
 
-        // Send ETH back to the Lockbox or it'll get stuck here and would need to be moved back via
-        // the migrateLiquidity function.
+        // Send ETH back to the Lockbox in the case of a failed transaction or it'll get stuck here
+        // and would need to be moved back via the migrateLiquidity function.
         if (!success && _tx.value > 0) {
             ethLockbox.lockETH{ value: _tx.value }();
         }
diff --git a/packages/contracts-bedrock/src/L1/StandardValidator.sol b/packages/contracts-bedrock/src/L1/StandardValidator.sol
index 891355aa8d9e1..34934f2276e57 100644
--- a/packages/contracts-bedrock/src/L1/StandardValidator.sol
+++ b/packages/contracts-bedrock/src/L1/StandardValidator.sol
@@ -126,7 +126,7 @@ contract StandardValidator {
     }
 
     function optimismPortalVersion() public pure returns (string memory) {
-        return "4.5.0";
+        return "4.6.0";
     }
 
     function l1CrossDomainMessengerVersion() public pure returns (string memory) {
diff --git a/packages/contracts-bedrock/test/L1/OPContractsManager.t.sol b/packages/contracts-bedrock/test/L1/OPContractsManager.t.sol
index ea2ec0dfb473e..472efd25cb216 100644
--- a/packages/contracts-bedrock/test/L1/OPContractsManager.t.sol
+++ b/packages/contracts-bedrock/test/L1/OPContractsManager.t.sol
@@ -610,7 +610,7 @@ contract OPContractsManager_Upgrade_Harness is CommonTest {
 
         // Make sure that the OptimismPortal is upgraded to the right version. It must also have a
         // reference to the new AnchorStateRegistry.
-        assertEq(ISemver(address(optimismPortal2)).version(), "4.5.0");
+        assertEq(ISemver(address(optimismPortal2)).version(), "4.6.0");
         assertEq(impls.optimismPortalImpl, EIP1967Helper.getImplementation(address(optimismPortal2)));
         assertEq(address(optimismPortal2.anchorStateRegistry()), address(newAsrProxy));
         DeployUtils.assertInitialized({