diff --git a/requirements.txt b/requirements.txt
index 4bea866..132b53f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ fabtools==0.19.0
 flower==0.8.3
 futures==3.0.3
 gunicorn==19.1.1
-html5lib==0.999999
+html5lib==0.99999999
 hurry.filesize==0.9
 jsonfield==1.0.3
 kombu==3.0.26