diff --git a/requirements.txt b/requirements.txt
index 4dcf3fc..2d21bc2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ jupyter==1.0.0
 jupyter-client==5.3.1
 jupyter-console==6.0.0
 jupyter-core==4.5.0
-jupyterlab==1.0.3
+jupyterlab==1.2.21
 jupyterlab-server==1.0.0
 MarkupSafe==1.1.1
 mistune==0.8.4