diff --git a/luigi/requirements.txt b/luigi/requirements.txt
old mode 100755
new mode 100644
index 74dca85..960193b
--- a/luigi/requirements.txt
+++ b/luigi/requirements.txt
@@ -20,7 +20,7 @@ future==0.16.0
 gem==1.0.0
 gpg==1.10.0
 h5py==2.7.1
-html5lib==0.9999999
+html5lib==0.999999999
 httplib2==0.9.2
 idna==2.6
 jedi==0.11.1