diff --git a/requirements.txt b/requirements.txt
index 2651dfa..b55a93e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ colorama==0.2.5
 Django==1.7.2
 django-bootstrap-form==3.2
 django-mathfilters==0.3.0
-html5lib==0.999
+html5lib==0.999999999
 MySQL-python==1.2.3
 packaging==16.8
 Pillow==2.3.0