diff --git a/requirements.txt b/requirements.txt
index ec37b06623..0bc0839aa0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ oslo.config>=3.4.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.policy>=0.5.0 # 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
 pyScss>=1.3.4 # MIT License
 python-ceilometerclient>=2.2.1 # Apache-2.0
 python-cinderclient>=1.3.1 # Apache-2.0