diff --git a/requirements.txt b/requirements.txt
index 7bd4555e5..37f1f01f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ oslo.context>=0.2.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.log>=1.12.0 # 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
 oslo.policy>=0.5.0 # Apache-2.0
 SQLAlchemy<1.1.0,>=0.9.9
 enum34;python_version=='2.7' or python_version=='2.6'