diff --git a/requirements.txt b/requirements.txt
index 0d2b396f..401cc91c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,6 +10,6 @@ stevedore>=1.5.0 # Apache-2.0
 requests!=2.9.0,>=2.8.1 # Apache-2.0
 oslo.i18n>=2.1.0 # 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
 os-client-config>=1.13.1 # Apache-2.0
 PrettyTable<0.8,>=0.7 # BSD