diff --git a/.github/workflows/notify-portmap.yml b/.github/workflows/notify-portmap.yml
index 1b13380..48e7587 100644
--- a/.github/workflows/notify-portmap.yml
+++ b/.github/workflows/notify-portmap.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout Code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
@@ -33,9 +33,16 @@ jobs:
     runs-on: ubuntu-latest
     needs: validate-articles  # This ensures the notify-portmap job only runs if validate-articles passes
     steps:
+    - uses: actions/create-github-app-token@v1
+      id: app-token
+      with:
+        app-id: ${{ vars.ORG_APP_ID }}
+        private-key: ${{ secrets.ORG_APP_PRIVATE_KEY }}
+        owner: ${{ github.repository_owner }}
+
     - name: Send repository_dispatch
       uses: peter-evans/repository-dispatch@v3
       with:
-        token: ${{ secrets.PORTMAP_REPOSITORY_DISPATCH_PAT }}
+        token: ${{ steps.app-token.outputs.token }}
         repository: dtinit/portmap
-        event-type: content_update
\ No newline at end of file
+        event-type: content_update