diff --git a/Dockerfile b/Dockerfile
index 0bbea19..d8c39aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -133,7 +133,7 @@ EXPOSE $JUPYTER_PORT
 
 
 
-
+RUN pip install ipywidgets
 RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/packages/grosse/pypi/simple jupyterlab-sandbox-theme
 RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/packages/grosse/pypi/simple jupyterlab-data-pool
 RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/packages/grosse/pypi/simple jupyterlab-training