diff --git a/requirements.txt b/requirements.txt
index a3899f54..e7d4f986 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ django-debug-toolbar==1.6
 django-environ==0.4.1
 django-wkhtmltopdf==3.1.0
 future==0.16.0
-html5lib==0.999999999
+html5lib==0.9999999
 oauthlib==2.0.1
 olefile==0.44
 psycopg2==2.6.2