diff --git a/requirements.txt b/requirements.txt
index 4810274..12212e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ jupyter==1.0.0
 jupyter-client==5.3.4
 jupyter-console==6.0.0
 jupyter-core==4.6.1
-jupyterlab==1.2.4
+jupyterlab==1.2.21
 jupyterlab-server==1.0.6
 kiwisolver==1.1.0
 lab==5.1