diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index af9e603a55..2a59a2ac9f 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -2,6 +2,7 @@ name: "CodeQL"
 
 on:
   push:
+    branches: [ "master" ]
     paths-ignore:
       - 'doc/**'
       - '**/man'