diff --git a/uwsgiconfig.py b/uwsgiconfig.py
index 7e4efb5e..288704a9 100644
--- a/uwsgiconfig.py
+++ b/uwsgiconfig.py
@@ -1,6 +1,6 @@
 # uWSGI build system
 
-uwsgi_version = '1.9.20'
+uwsgi_version = '1.9.21'
 
 import os
 import re