diff --git a/.github/workflows/firebase-hosting-pull-request.yml b/.github/workflows/firebase-hosting-pull-request.yml
index 34ecf03..b26235b 100644
--- a/.github/workflows/firebase-hosting-pull-request.yml
+++ b/.github/workflows/firebase-hosting-pull-request.yml
@@ -44,4 +44,6 @@ jobs:
         with:
           repoToken: '${{ secrets.GITHUB_TOKEN }}'
           firebaseServiceAccount: '${{ secrets.FIREBASE_SERVICE_ACCOUNT_PRIVSEC_356523 }}'
-          projectId: privsec-356523
\ No newline at end of file
+          projectId: privsec-356523
+          channelID: '$(cat ./pr/NR)'
+          expires: 30d
\ No newline at end of file
diff --git a/.github/workflows/pull-request-receiver.yml b/.github/workflows/pull-request-receiver.yml
index f1dd0a3..ee9c309 100644
--- a/.github/workflows/pull-request-receiver.yml
+++ b/.github/workflows/pull-request-receiver.yml
@@ -24,6 +24,11 @@ jobs:
       - name: Build Hugo site
         run: hugo --minify
           
+      - name: Save PR number
+        run: |
+          mkdir -p ./pr
+          echo ${{ github.event.number }} > ./pr/NR
+
       - name: Upload artifact
         uses: actions/upload-artifact@v2
         with: