diff --git a/requirements.txt b/requirements.txt
index 368ae2d..76dc19f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,8 @@
 Flask==0.10.1
+Flask-RESTful==0.2.5
 Flask-SQLAlchemy==1.0
 Jinja2==2.7.1
+Markdown==2.3.1
 MarkupSafe==0.18
 SQLAlchemy==0.8.2
 Werkzeug==0.9.3
@@ -9,4 +11,5 @@ gunicorn==17.5
 itsdangerous==0.23
 psycopg2==2.5.1
 requests==1.2.3
+six==1.3.0
 wsgiref==0.1.2