diff --git a/requirements.txt b/requirements.txt
index 8dad2f00..09e15256 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ requests>=2.10.0 # Apache-2.0
 oslo.config>=3.12.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.14.0 # Apache-2.0
+oslo.utils>=3.15.0 # Apache-2.0
 PyYAML>=3.1.0 # MIT
 six>=1.9.0 # MIT