diff --git a/requirements.txt b/requirements.txt
index db3e220..16dec56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ jupyter==1.0.0
 jupyter-client==5.2.4
 jupyter-console==6.0.0
 jupyter-core==4.5.0
-jupyterlab==1.1.1
+jupyterlab==1.2.21
 jupyterlab-server==1.0.6
 kiwisolver==1.1.0
 MarkupSafe==1.1.1