diff --git a/requirements.txt b/requirements.txt
index 7cc3b66..cf7374e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -122,7 +122,7 @@ pathtools==0.1.2
 patsy==0.5.0
 pep8==1.7.1
 pickleshare==0.7.4
-Pillow==5.2.0
+Pillow==9.0.1
 pkginfo==1.4.2
 pluggy==0.6.0
 ply==3.11