diff --git a/.github/workflows/warden.yml b/.github/workflows/warden.yml
index 63fe451..bd21f25 100644
--- a/.github/workflows/warden.yml
+++ b/.github/workflows/warden.yml
@@ -1,5 +1,8 @@
 name: Warden
 
+permissions:
+  contents: read
+
 on:
   pull_request:
     types: [opened, synchronize, reopened]