diff --git a/requirements.txt b/requirements.txt
index d2dbc3f..61a3f8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ colorama==0.2.5
 configobj==4.7.2
 docutils==0.11
 gunicorn==19.4.5
-html5lib==0.999
+html5lib==0.99999999
 jsonpatch==1.3
 jsonpointer==1.0
 oauth==1.0.1