diff --git a/Programming/anaconda/2019.07/conda-env-defs/jupyterhub-1.0.0_py36/jupyterhub_1.0.0_py36.yml b/Programming/anaconda/2019.07/conda-env-defs/jupyterhub-1.0.0_py36/jupyterhub_1.0.0_py36.yml
index a889e4e..a2a77c8 100644
--- a/Programming/anaconda/2019.07/conda-env-defs/jupyterhub-1.0.0_py36/jupyterhub_1.0.0_py36.yml
+++ b/Programming/anaconda/2019.07/conda-env-defs/jupyterhub-1.0.0_py36/jupyterhub_1.0.0_py36.yml
@@ -9,3 +9,4 @@ dependencies:
   - jupyter_contrib_nbextensions
   - ipywidgets
   - pip
+  - jupytext