diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 969f510..a545478 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -1,7 +1,7 @@
 name: CodeQL
 
 on:
-  - push
+  - pull_request
 
 jobs:
   codeql: