diff --git a/requirements.txt b/requirements.txt
index 1b8323e..7ff96c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Django==2.1.2
 django-crispy-forms==1.7.2
 django-heroku==0.3.1
 gunicorn==19.9.0
-html5lib==0.9999999
+html5lib==0.999999999
 idna==2.7
 Markdown==2.6.7
 netifaces==0.10.6