diff --git a/machines/kcnhub/servers/jupyterhub.nix b/machines/kcnhub/servers/jupyterhub.nix
index 544bb37..542eccf 100644
--- a/machines/kcnhub/servers/jupyterhub.nix
+++ b/machines/kcnhub/servers/jupyterhub.nix
@@ -17,6 +17,17 @@
     # Extra Paths used to add gcc et al for packages like Brian2
     # https://github.com/jupyterhub/systemdspawner#extra_paths
 
+    jupyterlabEnv = pkgs.python3.withPackages (p: with p; [
+      jupyterhub
+      jupyterlab
+      # Extensions:
+      jupyter-collaboration
+      jupyter-server-mathjax
+      jupyter-console
+      jupyterlab-lsp
+      python-lsp-server
+    ]);
+    
     kernels = {
       python3 = let
         env = (pkgs.python3.withPackages (pythonPackages: with pythonPackages; [