diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index fb13e86..cfec798 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -7,6 +7,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true