diff --git a/.woodpecker.yml b/.woodpecker.yml
index 9a6a21d..2b71927 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -4,7 +4,7 @@ steps:
     settings:
       registry: git.sandbox.iuk.hdm-stuttgart.de
       repository: grosse/jupyterlab-datascience
-      tag: 4.0.12e
+      tag: 4.0.12f
       architectures: amd64 # aarch64 
       context: Dockerfile
       imagename: jupyterlab-datascience
diff --git a/Dockerfile b/Dockerfile
index bf8c9e1..970933f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,8 +25,5 @@ USER ${NB_UID}
 RUN echo "install custom extensions "
 RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/packages/grosse/pypi/simple jupyterlab-sandbox-theme==0.1.6
 RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/packages/grosse/pypi/simple jupyterlab-sandbox-announcement==0.1.6
-#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
-#RUN pip install --extra-index-url https://git.sandbox.iuk.hdm-stuttgart.de/api/packages/grosse/pypi/simple jupyterlab-synthetic-data
 RUN pip install ipywebrtc==0.6.0 opencv-python-headless==4.9.0.80 voila==0.5.5 jupyterlab_rise==0.42.0
 RUN jupyter labextension disable "@jupyterlab/apputils-extension:announcements"
\ No newline at end of file