diff --git a/sources-docs.js b/sources-docs.js
index 15bdd66..6865ce9 100644
--- a/sources-docs.js
+++ b/sources-docs.js
@@ -13,7 +13,7 @@ module.exports = [
     options: {
       name: `docs--4`,
       remote: `https://github.com/silverstripe/developer-docs.git`,
-      branch: `4.12`,
+      branch: `4.13`,
       patterns: `en/**`
     }
   },