diff --git a/Casks/tapaal.rb b/Casks/tapaal.rb
index 11a78162690..92c95553bc0 100644
--- a/Casks/tapaal.rb
+++ b/Casks/tapaal.rb
@@ -1,10 +1,10 @@
 cask 'tapaal' do
-  version '3.4.1'
-  sha256 'e2678ca750376fb0f52adcea6caae10fd3e5df3e7c7e2d2ac5908ddfca6dd222'
+  version '3.4.2'
+  sha256 'cc36800792016561bf21554e4f8ac6844cb1949ec373979a8150ce144ffa2495'
 
   url "http://www.tapaal.net/fileadmin/download/tapaal-#{version.major_minor}/tapaal-#{version}-mac64.dmg"
   appcast 'http://www.tapaal.net/',
-          checkpoint: '4aad60322ed336d37e70755dec2cfb9811f3a0e7d16bb68c658da625c99fe2a2'
+          checkpoint: '57f01612a1903e39f13bd13983bfb5867a1af27f67983cdd61e19ebff917f11d'
   name 'TAPAAL'
   homepage 'http://www.tapaal.net/'