diff --git a/server/requirements.txt b/server/requirements.txt
index 1fcf62e79..7f2c86012 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -115,7 +115,7 @@ flask-script==2.0.6
     # via superdesk-core
 future==1.0.0
     # via python-twitter
-gunicorn==21.2.0
+gunicorn==23.0.0
     # via -r requirements.in
 hachoir==3.0a3
     # via superdesk-core