diff --git a/polkadot/runtime/rococo/src/lib.rs b/polkadot/runtime/rococo/src/lib.rs
index 26670cdcc238..8ad293e6a0de 100644
--- a/polkadot/runtime/rococo/src/lib.rs
+++ b/polkadot/runtime/rococo/src/lib.rs
@@ -149,7 +149,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("rococo"),
 	impl_name: create_runtime_str!("parity-rococo-v2.0"),
 	authoring_version: 0,
-	spec_version: 1_004_000,
+	spec_version: 1_005_000,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 22,
diff --git a/polkadot/runtime/westend/src/lib.rs b/polkadot/runtime/westend/src/lib.rs
index 04723ef0d9ba..3e77ae8f0487 100644
--- a/polkadot/runtime/westend/src/lib.rs
+++ b/polkadot/runtime/westend/src/lib.rs
@@ -145,7 +145,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("westend"),
 	impl_name: create_runtime_str!("parity-westend"),
 	authoring_version: 2,
-	spec_version: 1_004_000,
+	spec_version: 1_005_000,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 22,