diff --git a/requirements.txt b/requirements.txt
index 19220b0d..df1a7f01 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ Flask-JSGlue==0.3.1
 Flask-Session==0.3.0
 Flask-SQLAlchemy==2.1
 gunicorn==19.6.0
-html5lib==0.999
+html5lib==0.99999999
 ipaddress==1.0.17
 itsdangerous==0.24
 Jinja2==2.8