diff --git a/sources-docs.js b/sources-docs.js
index 57c5e61..19f85bc 100644
--- a/sources-docs.js
+++ b/sources-docs.js
@@ -62,6 +62,15 @@ module.exports = [
       patterns: 'docs/en/!(userguide)/**'
     }
   },
+  {
+    resolve: 'gatsby-source-git',
+    options: {
+      name: 'docs--5--optional_features/taxonomies',
+      remote: 'https://github.com/silverstripe/silverstripe-taxonomy.git',
+      branch: '3.2',
+      patterns: 'docs/en/!(userguide)/**'
+    }
+  },
   {
     resolve: 'gatsby-source-git',
     options: {