diff --git a/.github/workflows/CD-azure-functions.yml b/.github/workflows/CD-azure-functions.yml
index eb2b551..bdfef12 100644
--- a/.github/workflows/CD-azure-functions.yml
+++ b/.github/workflows/CD-azure-functions.yml
@@ -1,11 +1,11 @@
 name: CD Azure Functions deployment
 
 on:
-  # Trigger the workflow on push or pull request,
-  # but only for the main branch
-  push:
+  # Trigger the workflow on pull request but only for the master branch
+  pull_request:
+    types: [closed]
     branches:
-      - pipe
+      - master
 
 env:
   AZURE_FUNCTIONAPP_NAME: 'time-tracker-azure-functions'
@@ -28,10 +28,3 @@ jobs:
           npm install
           func settings add FUNCTIONS_WORKER_RUNTIME node
           func azure functionapp publish time-tracker-azure-functions --node
-#      - name: 'Run Azure Functions Action'
-#        uses: Azure/functions-action@v1
-#        id: fa
-#        with:
-#          app-name: ${{ env.AZURE_FUNCTIONAPP_NAME }}
-#          package: ${{ env.AZURE_FUNCTIONAPP_PACKAGE_PATH }}
-#          publish-profile: ${{ secrets.SCM_CREDENTIALS }}