diff --git a/alpha/requirements.txt b/alpha/requirements.txt
index b0a5c21..75093a0 100644
--- a/alpha/requirements.txt
+++ b/alpha/requirements.txt
@@ -37,7 +37,7 @@ gast==0.3.3
 google-api-python-client==1.5.5
 grpcio==1.26.0
 gunicorn==19.4.5
-html5lib==0.9999999
+html5lib==0.99999999
 httplib2==0.11.3
 idna==2.7
 imutils==0.5.3