diff --git a/CS231n/assignment1/requirements.txt b/CS231n/assignment1/requirements.txt
index d9ee47c..6c2c868 100644
--- a/CS231n/assignment1/requirements.txt
+++ b/CS231n/assignment1/requirements.txt
@@ -24,7 +24,7 @@ jupyter==1.0.0
 jupyter-client==5.2.4
 jupyter-console==6.0.0
 jupyter-core==4.4.0
-jupyterlab==0.35.4
+jupyterlab==1.2.21
 jupyterlab-server==0.2.0
 kiwisolver==1.0.1
 MarkupSafe==1.1.1