diff --git a/requirements.txt b/requirements.txt
index 34515ef..891c840 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ Flask==0.12
 funcsigs==1.0.2
 greenlet==0.4.9
 gyp==0.1
-html5lib==0.999
+html5lib==0.999999999
 httplib2==0.8
 ipython==1.2.1
 itsdangerous==0.24