diff --git a/requirements.txt b/requirements.txt
index ca41e59..52c9696 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ kombu==4.6.7
 Markdown==3.1.1
 more-itertools==8.0.2
 oauthlib==3.1.0
-Pillow==6.2.2
+Pillow==9.0.0
 postmarker==0.13.1
 psycopg2==2.8.5
 psycopg2-binary==2.8.3