diff --git a/requirements.txt b/requirements.txt
index f371f13..8502694 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ 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
 jupyterthemes==0.20.0
 Keras==2.4.3