diff --git a/.dockerignore b/.dockerignore
index 5768541c8..fc93d25fe 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,6 +1,7 @@
 *
 !src*
 !pyproject.toml
+!requirements.txt
 !Makefile
 !VERSION
 !LICENSE
diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 25999a199..5d26dd3f0 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -28,6 +28,10 @@ jobs:
     - name: Build the Docker image with GPU support
       # default tag uses docker.io, so override on command-line
       run: make docker-cuda DOCKER_TAG=${{ env.DOCKER_TAG }}-cuda DOCKER_BASE_IMAGE=${{ env.DOCKER_TAG }}
+    - name: Smoke Test that ocrd --help works
+      run: |
+        docker run --rm -it {{ env.DOCKER_TAG }} ocrd --version
+        docker run --rm -it {{ env.DOCKER_TAG }}-cuda ocrd --version
     - name: Login to GitHub Container Registry
       uses: docker/login-action@v2
       with:
diff --git a/Dockerfile b/Dockerfile
index 5fbb4a9a9..9cdb64837 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,6 +13,7 @@ WORKDIR /build-ocrd
 COPY src ./src
 COPY pyproject.toml .
 COPY VERSION ./VERSION
+COPY requirements.txt ./requirements.txt
 RUN mv ./src/ocrd_utils/ocrd_logging.conf /etc
 COPY Makefile .
 COPY README.md .