diff --git a/requirements.txt b/requirements.txt
index 5facaf9e70..9ebb429a3d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ jsonschema>=2.0.0,<3.0.0
 Jinja2>=2.6  # BSD License (3 clause)
 pexpect>=3.1 # ISC License
 oslo.config>=1.4.0  # Apache-2.0
-oslo.utils>=1.0.0
+oslo.utils>=1.1.0                       # Apache-2.0
 MySQL-python
 Babel>=1.3
 six>=1.7.0