diff --git a/requirements-dev.txt b/requirements-dev.txt
index ccf868ba..9a268afc 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,3 +3,5 @@ pytest
 recommonmark==0.5.0
 requests
 sphinx>=1.6
+sphinx-intl
+transifex-client