diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index 4f77376ba..f6c51f6e5 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -8,6 +8,7 @@ on:
       - .github/actions/smoke-docker-image/action.yml
       - .github/workflows/docker.yaml
       - .github/workflows/publish.yaml
+      - tests/data/jsonschema/simple_string.json
   pull_request:
     branches: [main]
     paths:
@@ -15,6 +16,7 @@ on:
       - .github/actions/smoke-docker-image/action.yml
       - .github/workflows/docker.yaml
       - .github/workflows/publish.yaml
+      - tests/data/jsonschema/simple_string.json
   workflow_dispatch:
 
 concurrency:
diff --git a/Dockerfile b/Dockerfile
index 76ae93250..85703d901 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,14 @@ RUN test -n "${VERSION}" \
 
 FROM python:3.14.2-slim-bookworm
 
-LABEL maintainer="Koudai Aono <koxudaxi@gmail.com>"
+ARG VERSION
+
+LABEL maintainer="Koudai Aono <koxudaxi@gmail.com>" \
+    org.opencontainers.image.description="Generate Python data models from schema definitions" \
+    org.opencontainers.image.licenses="MIT" \
+    org.opencontainers.image.source="https://github.com/koxudaxi/datamodel-code-generator" \
+    org.opencontainers.image.title="datamodel-code-generator" \
+    org.opencontainers.image.version="${VERSION}"
 
 ENV VIRTUAL_ENV=/opt/datamodel-code-generator
 ENV PATH="${VIRTUAL_ENV}/bin:${PATH}"