diff --git a/REQUIREMENTS.md b/REQUIREMENTS.md
index 0225ec2..a5419e1 100644
--- a/REQUIREMENTS.md
+++ b/REQUIREMENTS.md
@@ -15,6 +15,7 @@ python-flask-wtf
 python-ldap
 python-uwsgi
 python-psycopg2
+python-pillow
 python-pyyaml
 python-slugify
 ```