diff --git a/packages/redux-devtools/package.json b/packages/redux-devtools/package.json
index 9f01435a..a4bfd96b 100644
--- a/packages/redux-devtools/package.json
+++ b/packages/redux-devtools/package.json
@@ -10,7 +10,7 @@
     "clean": "rimraf lib",
     "build": "npm run build:types && npm run build:js",
     "build:types": "tsc --emitDeclarationOnly",
-    "build:js": "babel src --out-dir lib --extendsions \".ts,.tsx\" --source-maps inline",
+    "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
     "lint": "eslint . --ext .js,.jsx,.ts,.tsx",
     "lint:fix": "eslint . --ext .js,.jsx,.ts,.tx --fix",
     "test": "tsc --project test/tsconfig.json --noEmit && jest",
diff --git a/packages/redux-devtools/src/index.ts b/packages/redux-devtools/src/index.ts
index 7613a79e..c618de94 100644
--- a/packages/redux-devtools/src/index.ts
+++ b/packages/redux-devtools/src/index.ts
@@ -2,7 +2,8 @@ export {
   default as instrument,
   ActionCreators,
   ActionTypes,
-  LiftedAction
+  LiftedAction,
+  PerformAction
 } from 'redux-devtools-instrument';
 export { default as persistState } from './persistState';
 export { default as createDevTools } from './createDevTools';