diff --git a/requirements.txt b/requirements.txt
index 9f81f3d5..30bd0c18 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -65,7 +65,7 @@ gunicorn==19.4.5
 haikunator==2.1.0
 hiredis==0.1.6
 honcho==0.7.1
-html5lib==0.9999999
+html5lib==0.999999999
 httplib2==0.9.2
 idna==2.1
 ipaddress==1.0.17