diff --git a/requirements.txt b/requirements.txt
index cbe44aa3..1b01de3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -127,7 +127,7 @@ patsy==0.5.0
 pep8==1.7.1
 pexpect==4.5.0
 pickleshare==0.7.4
-Pillow==5.4.1
+Pillow==9.0.1
 pkginfo==1.4.2
 pluggy==0.6.0
 ply==3.11