diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index da3f5fdf7..a29c98a07 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -5,8 +5,7 @@ env:
 
 on:
   pull_request:
-    branches:
-      - main
+    branches: [main]
 
 jobs:
   validate-manifests: