diff --git a/requirements.txt b/requirements.txt
index 5d6f361..7505f85 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -120,7 +120,7 @@ pathlib2==2.3.3
 patsy==0.5.1
 pep8==1.7.1
 pickleshare==0.7.5
-Pillow==5.4.1
+Pillow==9.0.1
 pkginfo==1.5.0.1
 pluggy==0.9.0
 ply==3.11