diff --git a/requirements.txt b/requirements.txt
index 56a8406b..983d14fc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ osc-lib>=1.7.0 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
-oslo.utils>=3.28.0 # Apache-2.0
+oslo.utils>=3.31.0 # Apache-2.0
 python-openstackclient>=3.12.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 six>=1.9.0 # MIT