diff --git a/requirements.txt b/requirements.txt
index 9f253e9..17e67cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ jsonschema==3.0.1
 jupyter-client==5.3.1
 jupyter-core==4.5.0
 jupyter-server==0.1.0
-jupyterlab==1.0.4
+jupyterlab==1.2.21
 jupyterlab-pygments==0.1.0
 jupyterlab-server==1.0.0
 MarkupSafe==1.1.1