diff --git a/requirements.txt b/requirements.txt
index e290210..4cf5510 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Babel>=2.3.4 # BSD
 PrettyTable<0.8,>=0.7 # BSD
 python-keystoneclient!=1.8.0,!=2.1.0,>=1.7.0 # Apache-2.0
 requests>=2.10.0 # Apache-2.0
-warlock<2,>=1.0.1 # Apache-2.0
+warlock!=1.3.0,<2,>=1.0.1 # Apache-2.0
 six>=1.9.0 # MIT
 oslo.utils>=3.11.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0