diff --git a/requirements.txt b/requirements.txt
index a6fc6e4..6eecbba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,5 @@ Babel>=1.3
 tortilla>=0.4.1
 Jinja2>=2.7.3
 Sphinx>=1.2.3
+docopt>=0.6.2
+simplejson>=3.8.1