diff --git a/02-cs231n/spring1617_assignment1/assignment1/requirements.txt b/02-cs231n/spring1617_assignment1/assignment1/requirements.txt
index e06a766..7ac7c9a 100644
--- a/02-cs231n/spring1617_assignment1/assignment1/requirements.txt
+++ b/02-cs231n/spring1617_assignment1/assignment1/requirements.txt
@@ -1,7 +1,7 @@
 Cython==0.23.4
 Jinja2==2.8
 MarkupSafe==0.23
-Pillow==3.0.0
+Pillow==9.3.0
 Pygments==2.0.2
 appnope==0.1.0
 argparse==1.2.1