diff --git a/requirements.txt b/requirements.txt
index e3e0a2d3..c139e48c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ oslo.i18n>=3.15.3 # Apache-2.0
 oslo.config>=4.6.0 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0
 oslo.service>=1.24.0 # Apache-2.0
-oslo.utils>=3.28.0 # Apache-2.0
+oslo.utils>=3.31.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 six>=1.9.0 # MIT
 SQLAlchemy!=1.1.5,!=1.1.6,!=1.1.7,!=1.1.8,>=1.0.10 # MIT