diff --git a/tests/python3-libraries/requirements.txt b/tests/python3-libraries/requirements.txt
index 23175a06..a6e5a5fa 100644
--- a/tests/python3-libraries/requirements.txt
+++ b/tests/python3-libraries/requirements.txt
@@ -56,7 +56,7 @@ funcsigs==1.0.2
 gevent==1.3.6
 google-api-python-client==1.7.4
 greenlet==0.4.14
-gunicorn==19.9.0
+gunicorn==22.0.0
 hiredis==0.2.0
 honcho==1.0.1
 html5lib==1.0.1