diff --git a/requirements.txt b/requirements.txt
index 8d97c5a..be1ac34 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@
 #
 # PBR should always appear first
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
-python-zunclient>=0.2.0 # Apache-2.0
+python-zunclient>=1.0.0 # Apache-2.0