diff --git a/src/components/AppBar/AppBar.tsx b/src/components/AppBar/AppBar.tsx
index 66793ca..04aa4ba 100644
--- a/src/components/AppBar/AppBar.tsx
+++ b/src/components/AppBar/AppBar.tsx
@@ -18,8 +18,9 @@ import { Link, useNavigate } from 'react-router-dom'
 import nostrichAvatar from '../../assets/images/avatar.png'
 import nostrichLogo from '../../assets/images/nostr-logo.jpg'
 import { appPublicRoutes, getProfileRoute } from '../../routes'
-import { shorten } from '../../utils'
+import { saveNsecBunkerDelegatedKey, shorten } from '../../utils'
 import styles from './style.module.scss'
+import { NostrController } from '../../controllers'
 
 export const AppBar = () => {
   const navigate = useNavigate()
@@ -66,6 +67,11 @@ export const AppBar = () => {
       })
     )
 
+    // update nsecBunker delegated key after logout
+    const nostrController = NostrController.getInstance()
+    const newDelegatedKey = nostrController.generateDelegatedKey()
+    saveNsecBunkerDelegatedKey(newDelegatedKey)
+
     navigate('/')
   }
   const isAuthenticated = authState?.loggedIn === true