diff --git a/requirements.txt b/requirements.txt
index 4ac6625..29e2c40 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ Flask-Limiter==0.9.5.1
 gevent==1.2.2
 greenlet==0.4.12
 gunicorn==19.7.1
-html5lib==0.9999999
+html5lib==0.999999999
 humanize==0.5.1
 itsdangerous==0.24
 Jinja2==2.9.6