diff --git a/requirements.txt b/requirements.txt
index 19576d6..a721559 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ MarkupSafe==1.1.1
 mccabe==0.6.1
 more-itertools==7.2.0
 packaging==19.2
-Pillow==6.2.1
+Pillow==9.0.0
 pluggy==0.13.0
 py==1.8.0
 pycodestyle==2.5.0