diff --git a/.github/workflows/build-deb-pr.yml b/.github/workflows/build-deb-pr.yml
index 1dc5f9e..3e1ebc8 100644
--- a/.github/workflows/build-deb-pr.yml
+++ b/.github/workflows/build-deb-pr.yml
@@ -1,8 +1,9 @@
 name: Build Test Deb Package
 
 on:
-  workflow_dispatch:
   pull_request:
+    branches:
+      - main
 jobs:
   build-test-deb-package:
     runs-on: ubuntu-latest