diff --git a/lib/v2/amazon/kindle-software-updates.js b/lib/v2/amazon/kindle-software-updates.js
index fa8965490..5306112b6 100644
--- a/lib/v2/amazon/kindle-software-updates.js
+++ b/lib/v2/amazon/kindle-software-updates.js
@@ -41,6 +41,7 @@ module.exports = async (ctx) => {
                 art(path.join(__dirname, 'templates/software-description.art'), {
                     item,
                 }),
+            guid: item.title + ' - ' + item.version,
             link: item.link,
         })),
     };