diff --git a/.github/workflows/dco-report.yml b/.github/workflows/dco-report.yml
index 2b0e84b5..df3e8da4 100644
--- a/.github/workflows/dco-report.yml
+++ b/.github/workflows/dco-report.yml
@@ -6,6 +6,9 @@ on:
     types:
       - completed
 
+permissions:
+  contents: none
+
 jobs:
   comment:
     name: Organization