diff --git a/contracts/v2/PolygonRollupManager.sol b/contracts/v2/PolygonRollupManager.sol
index 9b95786d..7a354095 100644
--- a/contracts/v2/PolygonRollupManager.sol
+++ b/contracts/v2/PolygonRollupManager.sol
@@ -231,8 +231,6 @@ contract PolygonRollupManager is
     bytes32 internal constant _EMERGENCY_COUNCIL_ADMIN =
         keccak256("EMERGENCY_COUNCIL_ADMIN");
 
-    string internal constant _ROLLUP_MANAGER_VERSION_PESSIMISTIC = "pessimistic";
-
     // Global Exit Root address
     IPolygonZkEVMGlobalExitRootV2 public immutable globalExitRootManager;
 
@@ -272,6 +270,9 @@ contract PolygonRollupManager is
     // Last timestamp when an aggregation happen
     uint64 public lastAggregationTimestamp;
 
+    // Current rollup manager version
+    string public constant ROLLUP_MANAGER_VERSION = "pessimistic";
+
     // Trusted aggregator timeout, if a sequence is not verified in this time frame,
     // everyone can verify that sequence
     /// @custom:oz-renamed-from trustedAggregatorTimeout
@@ -411,7 +412,7 @@ contract PolygonRollupManager is
      * Initializer function to set new rollup manager version
      */
     function initialize() external virtual reinitializer(3) {
-        emit UpdateRollupManagerVersion(_ROLLUP_MANAGER_VERSION_PESSIMISTIC);
+        emit UpdateRollupManagerVersion(ROLLUP_MANAGER_VERSION);
     }
 
     ///////////////////////////////////////