diff --git a/Gemfile b/Gemfile
index 42d0554f..573e73ae 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ group :optional do
     gem 'kindlegen', '2.9.4'
     gem 'pygments.rb', '0.6.3'
   else
-    gem 'kindlegen', '3.0.3'
+    gem 'kindlegen', '3.0.5'
     gem 'pygments.rb', '1.1.2'
   end
 end