diff --git a/Casks/thunder.rb b/Casks/thunder.rb
index 80b100486..e362bfe87 100644
--- a/Casks/thunder.rb
+++ b/Casks/thunder.rb
@@ -1,6 +1,6 @@
 cask :v1 => 'thunder' do
-  version '2.6.6.1684'
-  sha256 'ae19d8fd03d10a20c10ac82071b6f65e8d371cc5fe91cd3a062e7bad370b7772'
+  version '2.6.7.1706'
+  sha256 '974de57f80e110f1a2001b7bf0b2e60edc28fd6a2234f8f2574ea49c8c6598ff'
 
   # sandai.net is the official download host per the vendor homepage
   url "http://down.sandai.net/mac/thunder_dl#{version}_Beta.dmg"