diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5e88aae..16766a7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,9 +2,9 @@ name: CI Workflow
 
 on:
  push:
-    branches: [ master ]
+    branches: [ "master" ]
  pull_request:
-    branches: [ master ]
+    branches: [ "master" ]
  workflow_dispatch:
 
 jobs: