diff --git a/requirements.txt b/requirements.txt
index 874bf6d466..e205d51d9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
-pbr>=0.6,!=0.7,<1.0
 cliff>=1.6.0
+oslo.i18n>=0.2.0  # Apache-2.0
+pbr>=0.6,!=0.7,<1.0
 python-glanceclient>=0.13.1
 python-keystoneclient>=0.10.0
 python-novaclient>=2.17.0