diff --git a/packages/@aws-cdk/aws-lambda-python-alpha/lib/Dockerfile b/packages/@aws-cdk/aws-lambda-python-alpha/lib/Dockerfile
index a295583e59dee..334b2a80ac4d9 100644
--- a/packages/@aws-cdk/aws-lambda-python-alpha/lib/Dockerfile
+++ b/packages/@aws-cdk/aws-lambda-python-alpha/lib/Dockerfile
@@ -31,7 +31,8 @@ RUN \
     mkdir /tmp/poetry-cache && \
 # Ensure all users can write to poetry cache
     chmod -R 777 /tmp/poetry-cache && \
-    pip install pipenv==2023.8.20 poetry==$POETRY_VERSION && \
+# pipenv 2022.4.8 is the last version with Python 3.6 support
+    pip install pipenv==2022.4.8 poetry==$POETRY_VERSION && \
 # Ensure no temporary files remain in the caches
     rm -rf /tmp/pip-cache/* /tmp/poetry-cache/*