diff --git a/requirements.txt b/requirements.txt
index 50864bb..ba4f8cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ ipaddress==1.0.23
 Markdown==2.6.11
 oauthlib==3.1.0
 olefile==0.44
-Pillow==5.1.0
+Pillow==9.0.1
 pycparser==2.20
 PyJWT==1.7.1
 python-openid==2.2.5