diff --git a/postBuild b/postBuild
new file mode 100644
index 0000000..7255e81
--- /dev/null
+++ b/postBuild
@@ -0,0 +1,3 @@
+jupyter contrib nbextension install --user
+jupyter nbextension enable --py widgetsnbextension
+jupyter labextension install @jupyter-widgets/jupyterlab-manager@0.38 --minimize=False