diff --git a/tasks/python-keras-text-classification/Requirements.txt b/tasks/python-keras-text-classification/Requirements.txt
index 32c7bf9..0aadf02 100644
--- a/tasks/python-keras-text-classification/Requirements.txt
+++ b/tasks/python-keras-text-classification/Requirements.txt
@@ -15,7 +15,7 @@ json5==0.8.5
 jsonschema==3.2.0
 jupyter-client==5.3.4
 jupyter-core==4.6.1
-jupyterlab==1.2.6
+jupyterlab==1.2.21
 jupyterlab-server==1.0.6
 MarkupSafe==1.1.1
 mistune==0.8.4