diff --git a/requirements.txt b/requirements.txt
index a27129a48242274f8c00d67cab79e0977dd1403c..3c5e9037ec0ee2910bc63fc46b91de569837fe33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,11 @@
 Flask==0.10.1
 Jinja2==2.7.1
 MarkupSafe==0.18
+Pygments==1.6
+Sphinx==1.2
 Werkzeug==0.9.4
 distribute==0.6.34
+docutils==0.11
 ipython==1.1.0
 itsdangerous==0.23
 requests==2.1.0