diff --git a/runtime/litmus/src/lib.rs b/runtime/litmus/src/lib.rs
index e6a5397445..aaa288e11e 100644
--- a/runtime/litmus/src/lib.rs
+++ b/runtime/litmus/src/lib.rs
@@ -134,7 +134,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	authoring_version: 1,
 	// same versioning-mechanism as polkadot:
 	// last digit is used for minor updates, like 9110 -> 9111 in polkadot
-	spec_version: 9060,
+	spec_version: 9052,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 1,
diff --git a/runtime/rococo/src/lib.rs b/runtime/rococo/src/lib.rs
index cfe963fa01..c15e6f7a03 100644
--- a/runtime/rococo/src/lib.rs
+++ b/runtime/rococo/src/lib.rs
@@ -141,7 +141,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	authoring_version: 1,
 	// same versioning-mechanism as polkadot:
 	// last digit is used for minor updates, like 9110 -> 9111 in polkadot
-	spec_version: 9060,
+	spec_version: 9052,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 1,