diff --git a/requirements.txt b/requirements.txt
index ea6218d..e32c630 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,6 @@ python-keystoneclient>=3.8.0 # Apache-2.0
 requests!=2.12.2,!=2.13.0,>=2.10.0 # Apache-2.0
 six>=1.9.0 # MIT
 Babel!=2.4.0,>=2.3.4 # BSD
-oslo.i18n>=2.1.0 # Apache-2.0
+oslo.i18n!=3.15.2,>=2.1.0 # Apache-2.0
 oslo.log>=3.22.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0