diff --git a/.gitignore b/.gitignore
index a2b202091..ac377563f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,7 +49,15 @@ docs/_build
 bigquery/docs/generated
 
 # Virtual environment
+.env
+.venv
 env/
+venv/
+rel_venv/
+ENV/
+env.bak/
+venv.bak/
+
 coverage.xml
 
 # System test environment variables.
diff --git a/samples/docker/Dockerfile b/samples/docker/Dockerfile
index ac4e36fdf..05cd117bd 100644
--- a/samples/docker/Dockerfile
+++ b/samples/docker/Dockerfile
@@ -1,9 +1,9 @@
-FROM python:3.7.0-slim
+FROM python:3.9.0-slim
 ARG _APP_VERSION
-COPY google_pso_data_validator-${_APP_VERSION}-py3-none-any.whl .
+COPY google_pso_data_validator-${_APP_VERSION}-py2.py3-none-any.whl .
 RUN apt-get update \
 && apt-get install gcc -y \
 && apt-get clean
 RUN pip install --upgrade pip
-RUN pip install google_pso_data_validator-${_APP_VERSION}-py3-none-any.whl
+RUN pip install google_pso_data_validator-${_APP_VERSION}-py2.py3-none-any.whl
 ENTRYPOINT ["python","-m","data_validation"]
diff --git a/samples/docker/build_docker.sh b/samples/docker/build_docker.sh
index d85ae41e0..acd41bb7b 100755
--- a/samples/docker/build_docker.sh
+++ b/samples/docker/build_docker.sh
@@ -25,6 +25,6 @@ cd ../../
 python setup.py register sdist bdist_wheel
 
 cd samples/docker
-cp ../../dist/google_pso_data_validator-${PACKAGE_VERSION}-py3-none-any.whl .
+cp ../../dist/google_pso_data_validator-${PACKAGE_VERSION}-py2.py3-none-any.whl .
 docker build -t data_validation:$PACKAGE_VERSION --build-arg _APP_VERSION=$PACKAGE_VERSION .
-rm google_pso_data_validator-${PACKAGE_VERSION}-py3-none-any.whl
\ No newline at end of file
+rm google_pso_data_validator-${PACKAGE_VERSION}-py2.py3-none-any.whl
\ No newline at end of file