diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 58c679c..2526b68 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -11,6 +11,9 @@ env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest