diff --git a/requirements.txt b/requirements.txt
index e03d670d1a..07108d359c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ oslo.middleware>=3.0.0 # Apache-2.0
 oslo.policy>=1.15.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0
-oslo.utils>=3.17.0 # Apache-2.0
+oslo.utils>=3.18.0 # Apache-2.0
 pecan!=1.0.2,!=1.0.3,!=1.0.4,!=1.2,>=1.0.0 # BSD
 requests>=2.10.0 # Apache-2.0
 six>=1.9.0 # MIT