diff --git a/requirements.txt b/requirements.txt
index c90cc578..2489f69f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ oslo.middleware>=1.2.0,!=2.0.0                  # Apache-2.0
 oslo.log>=1.2.0  # Apache-2.0
 oslo.rootwrap>=2.0.0  # Apache-2.0
 oslo.serialization>=1.4.0               # Apache-2.0
-oslo.utils>=1.4.0                       # Apache-2.0
+oslo.utils>=1.6.0                       # Apache-2.0
 Paste
 PasteDeploy>=1.5.0
 pbr>=0.11,<2.0
diff --git a/setup.py b/setup.py
old mode 100755
new mode 100644