diff --git a/requirements.txt b/requirements.txt
index 1d583844..6b8d2791 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 Babel>=1.3
 pbr>=0.6,!=0.7,<1.0
 netaddr>=0.7.6
+oslo.i18n>=0.1.0
 python-keystoneclient>=0.9.0
 requests>=1.1
 six>=1.7.0