diff --git a/lib/actions/createAction.ts b/lib/actions/createAction.ts
index 467b9fc..8889ffc 100644
--- a/lib/actions/createAction.ts
+++ b/lib/actions/createAction.ts
@@ -23,11 +23,14 @@ export class CreatedAction<
 
   static of<
     WrapperData,
-    ConfigType extends Record<string, any> | Config<any, any>,
+    ConfigType extends
+      | Record<string, any>
+      | Config<any, any>
+      | Config<any, never>,
     Type extends Record<string, any> = ExtractConfigType<ConfigType>,
   >(
     metaData: Omit<ActionMetaData, "input"> & {
-      input: Config<Type, WrapperData>
+      input: Config<Type, WrapperData> | Config<Type, never>
     },
     fn: (options: {
       effects: Effects
diff --git a/package-lock.json b/package-lock.json
index 22ee7f9..337e99c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "start-sdk",
-  "version": "0.4.0-lib0.rc3",
+  "version": "0.4.0-lib0.rc4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "start-sdk",
-      "version": "0.4.0-lib0.rc3",
+      "version": "0.4.0-lib0.rc4",
       "license": "MIT",
       "dependencies": {
         "@iarna/toml": "^2.2.5",