diff --git a/packages/extension-query/src/index.ts b/packages/extension-query/src/index.ts
index bbf2696..6f603b6 100644
--- a/packages/extension-query/src/index.ts
+++ b/packages/extension-query/src/index.ts
@@ -1,4 +1,5 @@
 export * as ErrorHandler from "./ErrorHandler.js"
+export * as MutationRunner from "./MutationRunner.js"
 export * as QueryClient from "./QueryClient.js"
 export * from "./QueryExtension.js"
 export * as QueryRunner from "./QueryRunner.js"