diff --git a/requirements.txt b/requirements.txt
index d0b134fdb..d453c69b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,5 @@ keystoneauth1>=2.20.0 # Apache-2.0
 simplejson>=2.2.0 # MIT
 Babel!=2.4.0,>=2.3.4 # BSD
 six>=1.9.0 # MIT
-oslo.i18n>=2.1.0 # Apache-2.0
+oslo.i18n!=3.15.2,>=2.1.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0