diff --git a/web/requirements.txt b/web/requirements.txt
index 278d199e..94f6d407 100644
--- a/web/requirements.txt
+++ b/web/requirements.txt
@@ -5,7 +5,7 @@ django-bootstrap3==5.1.1
 django-registration-redux==1.1
 djangorestframework==3.1.1
 docutils==0.11
-html5lib==0.999
+html5lib==0.99999999
 Jinja2==2.7.2
 MarkupSafe==0.18
 numpy==1.10.4