diff --git a/requirements.txt b/requirements.txt
index 5aed9e2..88323c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.context>=2.12.0 # Apache-2.0
 oslo.db>=4.15.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
-oslo.utils>=3.18.0 # Apache-2.0
+oslo.utils>=3.20.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0
 paramiko>=2.0 # LGPLv2.1+