diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5848358..69e3afe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ on:
     pull_request:
     push:
       branches:
-        - main
+        - master
 
 jobs:
   php81: