diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74fb672bfb..996b513c21 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,6 +31,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 -  Fixes [#4865](https://github.com/microsoft/BotFramework-WebChat/issues/4865). Fixed <kbd>CTRL</kbd> + <kbd>Z</kbd> should undo correctly, by [@compulim](https://github.com/compulim), in PR [#4861](https://github.com/microsoft/BotFramework-WebChat/issues/pull/4861)
 -  Fixes [#4863](https://github.com/microsoft/BotFramework-WebChat/issues/4863). Disable dark theme for link references until chat history has dark theme support, by [@compulim](https://github.com/compulim), in PR [#4864](https://github.com/microsoft/BotFramework-WebChat/pull/4864)
 -  Fixes [#4866](https://github.com/microsoft/BotFramework-WebChat/issues/4866). Citation modal show fill screen width on mobile device and various fit-and-finish, by [@compulim](https://github.com/compulim), in PR [#4867](https://github.com/microsoft/BotFramework-WebChat/pull/4867)
+-  Fixes [#4878](https://github.com/microsoft/BotFramework-WebChat/issues/4878). `createStore` should return type of `Redux.Store`, by [@compulim](https://github.com/compulim), in PR [#4877](https://github.com/microsoft/BotFramework-WebChat/pull/4877)
 
 ### Added
 
diff --git a/packages/core/src/createStore.ts b/packages/core/src/createStore.ts
index f62d546ffc..0d3c9847c1 100644
--- a/packages/core/src/createStore.ts
+++ b/packages/core/src/createStore.ts
@@ -1,4 +1,4 @@
-import { applyMiddleware, createStore as createReduxStore } from 'redux';
+import { applyMiddleware, createStore as createReduxStore, type Store } from 'redux';
 import { composeWithDevTools } from 'redux-devtools-extension';
 import createSagaMiddleware from 'redux-saga';
 
@@ -29,8 +29,6 @@ type CreateStoreOptions = {
   ponyfill?: Partial<GlobalScopePonyfill>;
 };
 
-type Store = ReturnType<typeof createReduxStore>;
-
 function createEnhancerAndSagaMiddleware(getStore, ...middlewares) {
   const sagaMiddleware = createSagaMiddleware({
     onError: (...args) => {