diff --git a/.woodpecker.yml b/.woodpecker.yml
index ef930d7..6e8c967 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -5,7 +5,7 @@ steps:
     settings:
       registry: git.sandbox.iuk.hdm-stuttgart.de
       repo: grosse/jupyterlab-datascience
-      tags: 4.0.12
+      tags: 4.0.11
       dockerfile: Dockerfile
       username:
         from_secret: docker_username
diff --git a/Dockerfile b/Dockerfile
index 63d58dd..c5cb0cf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG LAB_IMAGE=quay.io/jupyter/scipy-notebook:lab-4.0.12
+ARG LAB_IMAGE=quay.io/jupyter/scipy-notebook:lab-4.0.11
 
 FROM ${LAB_IMAGE}
 RUN echo "install custom extensions"