diff --git a/requirements.txt b/requirements.txt
index 4b93b72..9bfd294 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ Flask-Principal==0.4.0
 Flask-SQLAlchemy==2.2
 Flask-WTF==0.14.2
 speaklater==1.3
-Pillow==3.2.0
+Pillow==9.0.1
 misaka==2.0.0
 Pygments==2.1
 pytz==2018.3