diff --git a/Casks/treemaker.rb b/Casks/treemaker.rb
index e2c95e0834b..241bc4e5b52 100644
--- a/Casks/treemaker.rb
+++ b/Casks/treemaker.rb
@@ -2,7 +2,7 @@ cask 'treemaker' do
   version '5.0.1'
   sha256 '2377c8c4277890de9f746eaa9d021f89fdd52cabfe9ab82fdfa741a47ed1f554'
 
-  url 'http://www.langorigami.com/files/articles/TreeMaker.dmg'
+  url 'https://langorigami.com/wp-content/uploads/2018/09/TreeMaker.dmg'
   name 'TreeMaker'
   homepage 'http://www.langorigami.com/article/treemaker'