diff --git a/environment.yml b/environment.yml
index ff91ebb..c7054a8 100644
--- a/environment.yml
+++ b/environment.yml
@@ -11,3 +11,6 @@ dependencies:
   - partd
   - bokeh
   - dask
+  - pip
+  - pip:
+     - jupyter_contrib_nbextensions && jupyter contrib nbextension install