diff --git a/manager/requirements.txt b/manager/requirements.txt
index a5bca151..319f714d 100644
--- a/manager/requirements.txt
+++ b/manager/requirements.txt
@@ -17,7 +17,7 @@ Jinja2==2.10
 kombu==4.2.0
 MarkupSafe==1.0
 numpy==1.14.3
-Pillow==8.3.2
+Pillow==9.0.1
 pommerman==0.2.0
 pyglet==1.4.0a1
 pytz==2018.4