diff --git a/requirements.txt b/requirements.txt
index 44fb99c..07f0543 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ greenlet==0.4.12
 gunicorn==19.7.1
 h5py==2.7.0
 HeapDict==1.0.0
-html5lib==0.9999999
+html5lib==0.99999999
 httplib2==0.10.3
 idna==2.5
 imagesize==0.7.1