diff --git a/invarch/runtime/src/lib.rs b/invarch/runtime/src/lib.rs
index 6026513..686233b 100644
--- a/invarch/runtime/src/lib.rs
+++ b/invarch/runtime/src/lib.rs
@@ -164,7 +164,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     spec_name: create_runtime_str!("invarch"),
     impl_name: create_runtime_str!("invarch"),
     authoring_version: 1,
-    spec_version: 8,
+    spec_version: 9,
     impl_version: 0,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,