diff --git a/.github/workflows/protect-master.yml b/.github/workflows/protect-master.yml
index 07ad1e0a..a97becf7 100644
--- a/.github/workflows/protect-master.yml
+++ b/.github/workflows/protect-master.yml
@@ -5,6 +5,8 @@ on:
     branches:
       - master
 
+permissions: {}
+
 jobs:
   check-branch:
     runs-on: ubuntu-latest