diff --git a/requirements.txt b/requirements.txt
index df4e05c..26576a3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ ordereddict
 oslo.config>=2.7.0 # Apache-2.0
 oslo.context>=0.2.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
-oslo.utils>=2.8.0 # Apache-2.0
+oslo.utils!=3.1.0,>=2.8.0 # Apache-2.0
 six>=1.9.0
 stevedore>=1.5.0 # Apache-2.0
 WebOb>=1.2.3