diff --git a/Casks/openttd.rb b/Casks/openttd.rb
index 3d72fb0eb83..8fd7d414472 100644
--- a/Casks/openttd.rb
+++ b/Casks/openttd.rb
@@ -1,6 +1,6 @@
 cask 'openttd' do
-  version '1.6.1'
-  sha256 'b6faabfdaa9aba3f82537fd93ea128e45f735308e675c455657eb3fcb96265d7'
+  version '1.7.0'
+  sha256 '208e2f876450fdac4caf4e5f5b16714cef3e9ac3047f465cdddbf8d03567dcb2'
 
   url "http://binaries.openttd.org/releases/#{version}/openttd-#{version}-macosx-universal.zip"
   name 'OpenTTD'