diff --git a/contracts/contracts/validator-registry/VanillaRegistryStorage.sol b/contracts/contracts/validator-registry/VanillaRegistryStorage.sol
index b9b3f5775..bad13a36a 100644
--- a/contracts/contracts/validator-registry/VanillaRegistryStorage.sol
+++ b/contracts/contracts/validator-registry/VanillaRegistryStorage.sol
@@ -30,5 +30,5 @@ contract VanillaRegistryStorage {
     mapping(address staker => bool whitelisted) public whitelistedStakers;
 
     /// @dev See https://docs.openzeppelin.com/upgrades-plugins/1.x/writing-upgradeable#storage-gaps
-    uint256[48] private __gap;
+    uint256[47] private __gap;
 }