diff --git a/requirements.txt b/requirements.txt
index e3271ef..044121a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ jupyter-client==5.3.4
 jupyter-console==6.0.0
 jupyter-core==4.6.1
 jupyterhub==1.0.0
-jupyterlab==1.2.4
+jupyterlab==1.2.21
 jupyterlab-server==1.0.6
 Keras==2.3.1
 Keras-Applications==1.0.8