diff --git a/requirements.txt b/requirements.txt
index 546fc92..1a0c9ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,5 +8,5 @@ python-keystoneclient!=1.8.0,!=2.1.0,>=1.7.0 # Apache-2.0
 requests>=2.10.0 # Apache-2.0
 warlock!=1.3.0,<2,>=1.0.1 # Apache-2.0
 six>=1.9.0 # MIT
-oslo.utils>=3.14.0 # Apache-2.0
+oslo.utils>=3.15.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0