diff --git a/requirements.txt b/requirements.txt
index 78b640451d88..e0c271b00034 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ oslo.context>=2.12.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
 oslo.reports>=0.6.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.18.0 # Apache-2.0
+oslo.utils>=3.20.0 # Apache-2.0
 oslo.db>=4.15.0 # Apache-2.0
 oslo.rootwrap>=5.0.0 # Apache-2.0
 oslo.messaging>=5.14.0 # Apache-2.0