diff --git a/hosts/uranus/jupyter-container.nix b/hosts/uranus/jupyter-container.nix
index be17404..4cb55c2 100644
--- a/hosts/uranus/jupyter-container.nix
+++ b/hosts/uranus/jupyter-container.nix
@@ -70,6 +70,8 @@ pkgs.dockerTools.buildImage {
                          jupyterlab \
                          jupyterhub
 
+        # upgrading the db
+        jupyterhub upgrade-db
 
         # off to the races
         jupyterhub --ip=${bind-ip} --port=${toString bind-port} -f /jupyterhub-config.py