diff --git a/proj1/requirements.txt b/proj1/requirements.txt
index e911f7c..6e90d20 100644
--- a/proj1/requirements.txt
+++ b/proj1/requirements.txt
@@ -117,7 +117,7 @@ patsy==0.4.1
 pep8==1.7.0
 pexpect==4.2.1
 pickleshare==0.7.4
-Pillow==4.2.1
+Pillow==9.0.1
 pkginfo==1.4.1
 ply==3.10
 prompt-toolkit==1.0.15