diff --git a/requirements.txt b/requirements.txt
index 81c99a0..cbd24d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ jupyter==1.0.0
 jupyter-client==6.1.3
 jupyter-console==6.1.0
 jupyter-core==4.6.3
-jupyterlab==1.2.6
+jupyterlab==1.2.21
 jupyterlab-server==1.1.1
 matplotlib==3.1.3
 mpmath==1.1.0