diff --git a/requirements.txt b/requirements.txt
index 20b2a34..f6065c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -127,7 +127,7 @@ pathlib2==2.3.5
 patsy==0.5.1
 pep8==1.7.1
 pickleshare==0.7.5
-Pillow==6.2.0
+Pillow==9.0.1
 pkginfo==1.5.0.1
 pluggy==0.13.0
 ply==3.11