diff --git a/requirements.txt b/requirements.txt
index b4d5c3d2f..ef45150b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ keystoneauth1>=2.1.0 # Apache-2.0
 oslo.config>=3.4.0 # 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
 positional>=1.0.1 # Apache-2.0
 PrettyTable<0.8,>=0.7 # BSD
 requests!=2.9.0,>=2.8.1 # Apache-2.0