diff --git a/requirements.txt b/requirements.txt
index 983d14fc..3c65053a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,4 @@ oslo.i18n>=3.15.3 # Apache-2.0
 oslo.utils>=3.31.0 # Apache-2.0
 python-openstackclient>=3.12.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT