diff --git a/runtimes/mainnet/src/lib.rs b/runtimes/mainnet/src/lib.rs
index cdb480b87..29d1c54b0 100644
--- a/runtimes/mainnet/src/lib.rs
+++ b/runtimes/mainnet/src/lib.rs
@@ -122,10 +122,10 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	// and set impl_version to 0. If only runtime
 	// implementation changes and behavior does not, then leave spec_version as
 	// is and increment impl_version.
-	spec_version: 311,
+	spec_version: 312,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
-	transaction_version: 2,
+	transaction_version: 3,
 	state_version: 0,
 };