diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index df82c2f..66cd315
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ jmespath==0.9.3
 jsonschema==2.6.0
 jupyter-client==5.2.3
 jupyter-core==4.4.0
-jupyterlab==0.31.12
+jupyterlab==1.2.21
 jupyterlab-launcher==0.10.5
 Keras==2.1.6
 kiwisolver==1.0.1