diff --git a/.github/workflows/scan_iis_server.yml b/.github/workflows/scan_iis_server.yml
index a3739e4a..9ff068c2 100644
--- a/.github/workflows/scan_iis_server.yml
+++ b/.github/workflows/scan_iis_server.yml
@@ -1,7 +1,10 @@
 name: Scan IIS Web Server
 
-
-on: push
+on:
+  push:
+    branches: [ release ]
+  pull_request:
+    branches: [ release ]
 
 jobs:
   build: