diff --git a/Dockerfile b/Dockerfile
index 97fc046..114b487 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -145,7 +145,7 @@ RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/p
 #RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/packages/grosse/pypi/simple jupyterlab-training
 #RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/packages/grosse/pypi/simple jupyterlab-synthetic-data
 RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/packages/grosse/pypi/simple jupyterlab-sandbox-announcement
-RUN pip install voila
+RUN pip install voila==0.3.7
 # Configure container startup
 CMD ["start-notebook.sh"]