diff --git a/sources-docs.js b/sources-docs.js
index 4901f90..8318b87 100644
--- a/sources-docs.js
+++ b/sources-docs.js
@@ -26,6 +26,33 @@ module.exports = [
       patterns: 'docs/en/!(userguide)/**'
     }
   },
+  {
+    resolve: 'gatsby-source-git',
+    options: {
+      name: 'docs--5--optional_features/mfa',
+      remote: 'https://github.com/silverstripe/silverstripe-mfa.git',
+      branch: '5.2',
+      patterns: 'docs/en/!(userguide)/**'
+    }
+  },
+  {
+    resolve: 'gatsby-source-git',
+    options: {
+      name: 'docs--5--optional_features/mfa/authenticators/totp-authenticator',
+      remote: 'https://github.com/silverstripe/silverstripe-totp-authenticator.git',
+      branch: '5.2',
+      patterns: 'docs/en/!(userguide)/**'
+    }
+  },
+  {
+    resolve: 'gatsby-source-git',
+    options: {
+      name: 'docs--5--optional_features/mfa/authenticators/webauthn-authenticator',
+      remote: 'https://github.com/silverstripe/silverstripe-webauthn-authenticator.git',
+      branch: '5.2',
+      patterns: 'docs/en/!(userguide)/**'
+    }
+  },
   {
     resolve: 'gatsby-source-git',
     options: {