diff --git a/Casks/mailplane.rb b/Casks/mailplane.rb
index 1365fef38..aaaaca578 100644
--- a/Casks/mailplane.rb
+++ b/Casks/mailplane.rb
@@ -1,7 +1,7 @@
 class Mailplane < Cask
-  url 'http://dist.mailplaneapp.com/builds/Mailplane_3_726.tbz'
+  url 'http://dist.mailplaneapp.com/builds/Mailplane_3_755.tbz'
   homepage 'http://mailplaneapp.com/'
-  version '3.0_726'
-  sha1 'f2ebedf39791f1eb4406ea463346baaad8c6dcde'
+  version '3.0_755'
+  sha1 '8da7abf402a4ef7ea174abc9ccd1f634577a07be'
   link 'Mailplane 3.app'
 end