diff --git a/src/L1TokenGateway.sol b/src/L1TokenGateway.sol
index 48721b9..6fe0d44 100644
--- a/src/L1TokenGateway.sol
+++ b/src/L1TokenGateway.sol
@@ -41,7 +41,7 @@ contract L1TokenGateway is UUPSUpgradeable, ITokenGateway, IL1ArbitrumGateway, I
     address public immutable counterpartGateway;
     address public immutable l1Router;
     address public immutable inbox;
-    string public constant version = "1";
+    string  public constant  version = "1";
 
     // --- events ---
 
diff --git a/src/L2TokenGateway.sol b/src/L2TokenGateway.sol
index a1fe646..0c9a5c9 100644
--- a/src/L2TokenGateway.sol
+++ b/src/L2TokenGateway.sol
@@ -40,7 +40,7 @@ contract L2TokenGateway is UUPSUpgradeable, ITokenGateway, ICustomGateway, L2Arb
 
     address public immutable l2Router;
     address public immutable counterpartGateway;
-    string public constant version = "1";
+    string  public constant  version = "1";
 
      // --- events ---