diff --git a/requirements.txt b/requirements.txt
index 87bec4f..ec9efd7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ PrettyTable<0.8,>=0.7.1 # BSD
 keystoneauth1>=3.2.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 six>=1.9.0 # MIT
-oslo.utils>=3.28.0 # Apache-2.0
+oslo.utils>=3.31.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0
 osc-lib>=1.7.0 # Apache-2.0