diff --git a/requirements.txt b/requirements.txt
index 4575da343..67d0df441 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ iso8601>=0.1.9
 netaddr!=0.7.16,>=0.7.12
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=2.8.0 # Apache-2.0
+oslo.utils!=3.1.0,>=2.8.0 # Apache-2.0
 os-client-config!=1.6.2,>=1.4.0
 keystoneauth1>=2.1.0
 requests>=2.8.1