diff --git a/bridges/primitives/chain-rococo/src/lib.rs b/bridges/primitives/chain-rococo/src/lib.rs
index 5bac304376..246e797567 100644
--- a/bridges/primitives/chain-rococo/src/lib.rs
+++ b/bridges/primitives/chain-rococo/src/lib.rs
@@ -37,7 +37,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: sp_version::create_runtime_str!("rococo"),
 	impl_name: sp_version::create_runtime_str!("parity-rococo-v1.6"),
 	authoring_version: 0,
-	spec_version: 9003,
+	spec_version: 9004,
 	impl_version: 0,
 	apis: sp_version::create_apis_vec![[]],
 	transaction_version: 0,
diff --git a/bridges/primitives/chain-wococo/src/lib.rs b/bridges/primitives/chain-wococo/src/lib.rs
index 67510f6f46..81dbaff186 100644
--- a/bridges/primitives/chain-wococo/src/lib.rs
+++ b/bridges/primitives/chain-wococo/src/lib.rs
@@ -37,7 +37,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: sp_version::create_runtime_str!("rococo"),
 	impl_name: sp_version::create_runtime_str!("parity-rococo-v1.6"),
 	authoring_version: 0,
-	spec_version: 9003,
+	spec_version: 9004,
 	impl_version: 0,
 	apis: sp_version::create_apis_vec![[]],
 	transaction_version: 0,