diff --git a/requirements.txt b/requirements.txt
index e5ae04c..c6ab518 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 gym==0.14.0
-jupyterlab==1.0.9
+jupyterlab==1.2.21
 matplotlib==3.1.0
 numpy==1.17.0
 pandas==0.25.0