diff --git a/src/index.js b/src/index.js
index 1aba72e..492dd6a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -5,7 +5,10 @@ import App from "./App";
 import { createStore } from "redux";
 import allReducers from "./reducers";
 // store
-const store = createStore(allReducers);
+const store = createStore(
+  allReducers,
+  window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__()
+);
 
 const root = ReactDOM.createRoot(document.getElementById("root"));
 root.render(