diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 319f5a3..368c138
--- a/requirements.txt
+++ b/requirements.txt
@@ -121,7 +121,7 @@ jupyter==1.0.0
 jupyter-client==5.2.3
 jupyter-console==6.0.0
 jupyter-core==4.4.0
-jupyterlab==0.35.4
+jupyterlab==1.2.21
 jupyterlab-server==0.2.0
 Keras==2.1.4
 Keras-Applications==1.0.8