diff --git a/requirements.txt b/requirements.txt
index 9b9ccba4..98244b81 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ oslo.i18n>=2.1.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.16.0 # Apache-2.0
 pbr>=1.6 # Apache-2.0
-positional>=1.0.1 # Apache-2.0
+positional>=1.1.1 # Apache-2.0
 pycadf!=2.0.0,>=1.1.0 # Apache-2.0
 python-keystoneclient!=2.1.0,>=2.0.0 # Apache-2.0
 requests>=2.10.0 # Apache-2.0