diff --git a/requirements.txt b/requirements.txt
index a425180..473df66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ fasteners==0.14.1
 google-api-python-client==1.6.3
 google-auth==1.6.3
 gunicorn==19.7.1
-html5lib==0.9999999
+html5lib==0.99999999
 httplib2==0.10.3
 idna==2.6
 ipaddress==1.0.18