diff --git a/requirements.txt b/requirements.txt
index e20e5e7..ce2e23b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ natsort==7.0.0
 matplotlib==3.0.3
 jupyter-client==5.3.4
 jupyter-core==4.6.1
-jupyterlab==1.2.0
+jupyterlab==1.2.21
 jupyterlab-server==1.0.6
 Keras==2.2.4
 Keras-Applications==1.0.8