diff --git a/requirements.txt b/requirements.txt
index 2bf0b63..574d774 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 cliff>=1.14.0 # Apache-2.0
 jsonschema!=2.5.0,<3.0.0,>=2.0.0
-oslo.utils>=1.9.0 # Apache-2.0
+oslo.utils>=2.0.0 # Apache-2.0
 pbr<2.0,>=1.4
 python-keystoneclient>=1.6.0
 requests>=2.5.2