diff --git a/requirements.txt b/requirements.txt
index 75a21e967a..20c524d3fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ python-saharaclient>=1.4.0 # Apache-2.0
 python-swiftclient>=3.2.0 # Apache-2.0
 python-troveclient>=2.2.0 # Apache-2.0
 python-zaqarclient>=1.0.0 # Apache-2.0
-python-zunclient>=1.0.0 # Apache-2.0
+python-zunclient>=1.2.1 # Apache-2.0
 pytz>=2013.6 # MIT
 PyYAML>=3.12 # MIT
 requests>=2.14.2 # Apache-2.0