diff --git a/requirements.txt b/requirements.txt
index a9c09c3..065f885 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ scipy==0.19.1
 seaborn==0.8.1
 notebook==5.7.2
 jupyterhub==0.9.4
-jupyterlab==0.35.4
+jupyterlab==1.2.21