diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index b3f1e53..942960a 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -22,6 +22,18 @@ jobs:
       contents: read
       packages: write
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+        with:
+          persist-credentials: false
+
+      - name: Lint Dockerfile
+        uses: hadolint/hadolint-action@v3
+        with:
+          dockerfile: Dockerfile
+          ignore: DL3007,DL3008,DL3013,DL3016
+          failure-threshold: warning
+
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3