diff --git a/requirements.txt b/requirements.txt
index 629f078..2ff99e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -84,7 +84,7 @@ jupyter==1.0.0
 jupyter-client==5.3.4
 jupyter-console==6.1.0
 jupyter-core==4.6.1
-jupyterlab==1.2.6
+jupyterlab==1.2.21
 jupyterlab-server==1.0.6
 Keras-Applications==1.0.8
 Keras-Preprocessing==1.1.0