diff --git a/requirements.txt b/requirements.txt
index 05a3af9..1884c14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -134,7 +134,7 @@ patsy==0.4.1
 pep8==1.7.0
 pexpect==4.3.0
 pickleshare==0.7.4
-Pillow==4.3.0
+Pillow==9.0.1
 pkginfo==1.4.1
 plac==0.9.6
 ply==3.10