diff --git a/base/Dockerfile b/base/Dockerfile
index dc911d86a864c0e9be61278bdba31e31d84d00d8..905fc1f6371a0e6daca1fccae559e81e4390b069 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -84,6 +84,7 @@ RUN jupyter labextension disable ipcluster \
 # install additional labextensions
 RUN jupyter labextension install --no-build \
                              clb-jupyter-ext-query-params@3.2.0 \
+                             clb-lab-extension@0.9.0 \
                              ipycanvas@0.12.0
 # ipycanvas@0.12.0: Python part installed via spack (py-ipycanvas@0.12.0)