diff --git a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs
index f69c7c681d00..bf413c868c00 100644
--- a/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs
+++ b/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs
@@ -610,7 +610,7 @@ parameter_types! {
 			epoch: 0,
 		},
 		deneb: Fork {
-			version: [4, 0, 0, 1], // 0x04000001
+			version: [4, 0, 0, 0], // 0x04000000
 			epoch: 0,
 		}
 	};