diff --git a/requirements.txt b/requirements.txt
index 536065c..0511230 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ gunicorn==19.7
 Paste==1.7.5.1
 PasteDeploy==1.5.0
 PasteScript==1.7.5
-Pillow==4.3.0
+Pillow==9.3.0
 PyYAML==3.10
 Pygments==1.5
 SQLAlchemy==0.7.4