diff --git a/requirements.txt b/requirements.txt
index e7fbc516..e8fba865 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ oslo.context>=0.2.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.4.0 # Apache-2.0
+oslo.utils>=3.5.0 # Apache-2.0
 oslo.policy>=0.5.0 # Apache-2.0
 SQLAlchemy<1.1.0,>=1.0.10 # MIT
 enum34;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD