diff --git a/requirements.txt b/requirements.txt
index bb3c3a7..3079977 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -113,7 +113,7 @@ pathlib2==2.3.5
 patsy==0.5.1
 pep8==1.7.1
 pickleshare==0.7.5
-Pillow==7.0.0
+Pillow==9.0.0
 pkginfo==1.5.0.1
 pluggy==0.13.1
 ply==3.11