diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 8f95d40ff..1274e6413 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -1,6 +1,8 @@
 name: "Code Scanning"
 
-on:
+on:  
+  pull_request:
+    branches: [ main ]
   push:
     branches: [main]
   # pull_request: