diff --git a/packages/redux-devtools-rtk-query-monitor/demo/package.json b/packages/redux-devtools-rtk-query-monitor/demo/package.json
index 8f2fb4b5..15e55c8d 100644
--- a/packages/redux-devtools-rtk-query-monitor/demo/package.json
+++ b/packages/redux-devtools-rtk-query-monitor/demo/package.json
@@ -50,6 +50,8 @@
     "webpack-dev-server": "^5.2.2"
   },
   "msw": {
-    "workerDirectory": "public"
+    "workerDirectory": [
+      "public"
+    ]
   }
 }
diff --git a/packages/redux-devtools-rtk-query-monitor/demo/public/mockServiceWorker.js b/packages/redux-devtools-rtk-query-monitor/demo/public/mockServiceWorker.js
index 2f658e91..02115fb4 100644
--- a/packages/redux-devtools-rtk-query-monitor/demo/public/mockServiceWorker.js
+++ b/packages/redux-devtools-rtk-query-monitor/demo/public/mockServiceWorker.js
@@ -7,7 +7,7 @@
  * - Please do NOT modify this file.
  */
 
-const PACKAGE_VERSION = '2.11.6'
+const PACKAGE_VERSION = '2.12.1'
 const INTEGRITY_CHECKSUM = '4db4a41e972cec1b64cc569c66952d82'
 const IS_MOCKED_RESPONSE = Symbol('isMockedResponse')
 const activeClientIds = new Set()