diff --git a/requirements.txt b/requirements.txt
index a19244bc..8e76ec5c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ iso8601>=0.1.9
 oslo.config>=1.4.0  # Apache-2.0
 oslo.i18n>=1.0.0  # Apache-2.0
 oslo.serialization>=1.0.0               # Apache-2.0
-oslo.utils>=1.0.0                       # Apache-2.0
+oslo.utils>=1.1.0                       # Apache-2.0
 pbr>=0.6,!=0.7,<1.0
 pycadf>=0.6.0
 python-keystoneclient>=0.11.1