diff --git a/.github/workflows/image.yml b/.github/workflows/image.yml
index d132c5a..bb3b84d 100644
--- a/.github/workflows/image.yml
+++ b/.github/workflows/image.yml
@@ -9,6 +9,8 @@ on:
 
 jobs:
   build:
+    permissions:
+      contents: read
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code