diff --git a/dev-requirements.txt b/dev-requirements.txt
index 967cea2..7b6fd22 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -31,7 +31,7 @@ feedparser==5.1.3
 flake8==3.5.0
 graphviz==0.8.3
 guacamole==0.9.2
-html5lib==0.999
+html5lib==0.99999999
 httplib2==0.9.1
 idna==2.6
 ipdb==0.11