diff --git a/requirements.txt b/requirements.txt
index b4d4e06..71c8f25 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ json5==0.8.5
 jsonschema==3.0.2
 jupyter-client==5.3.1
 jupyter-core==4.5.0
-jupyterlab==1.1.1
+jupyterlab==1.2.21
 jupyterlab-server==1.0.6
 MarkupSafe==1.1.1
 mistune==0.8.4