diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 7d01c539..a59e6478 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -2,7 +2,9 @@ name: "CodeQL"
 
 on:
   push:
+    branches: [master]
   pull_request:
+    branches: [master]
   schedule:
     - cron: '0 12 * * 1'