diff --git a/manifests/repo/apt.pp b/manifests/repo/apt.pp
index 86cfca1..9b72ab6 100644
--- a/manifests/repo/apt.pp
+++ b/manifests/repo/apt.pp
@@ -2,7 +2,7 @@
 #
 class fluentd::repo::apt (
   $ensure   = 'present',
-  $location = downcase("http://packages.treasuredata.com/2/${::operatingsystem}/${::lsbdistcodename}"),
+  $location = downcase("https://packages.treasuredata.com/2/${::operatingsystem}/${::lsbdistcodename}"),
   $release  = $::lsbdistcodename,
   $repos    = 'contrib',
   $key      = {