diff --git a/tljh/installer.py b/tljh/installer.py
index c188a10..2a68a19 100644
--- a/tljh/installer.py
+++ b/tljh/installer.py
@@ -131,7 +131,7 @@ def ensure_jupyterhub_package(prefix):
     conda.ensure_pip_packages(
         prefix,
         [
-            "jupyterhub==1.2.2",
+            "jupyterhub==1.4.0",
             "jupyterhub-dummyauthenticator==0.3.1",
             "jupyterhub-systemdspawner==0.15",
             "jupyterhub-firstuseauthenticator==0.14.1",
diff --git a/tljh/requirements-base.txt b/tljh/requirements-base.txt
index 60ba841..8aee11e 100644
--- a/tljh/requirements-base.txt
+++ b/tljh/requirements-base.txt
@@ -2,8 +2,8 @@
 # pinning only direct dependencies is a recipe for broken environments!
 
 # JupyterHub + notebook package are base requirements for user environment
-jupyterhub==1.2.*
-notebook==6.1.5
+jupyterhub==1.4.0
+notebook==6.3.0
 # Install additional notebook frontends!
 jupyterlab==3.*
 nteract-on-jupyter==2.1.*