diff --git a/python-api/requirements.txt b/python-api/requirements.txt
index f2f1546..6200832 100644
--- a/python-api/requirements.txt
+++ b/python-api/requirements.txt
@@ -12,7 +12,7 @@ gevent==1.0.1
 greenlet==0.4.2
 gunicorn==19.5.0
 hashids==1.0.3
-html5lib==0.999
+html5lib==0.999999999
 itsdangerous==0.24
 meld3==0.6.10
 mongoengine==0.10.7