diff --git a/requirements.txt b/requirements.txt
index b2efe37..b61c64e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -99,7 +99,7 @@ jupyter==1.0.0
 jupyter-client==5.3.4
 jupyter-console==6.1.0
 jupyter-core==4.6.1
-jupyterlab==1.2.5
+jupyterlab==1.2.21
 jupyterlab-server==1.0.6
 kdtree==0.16
 Keras==2.3.1