diff --git a/docs/openapi.yml b/docs/openapi.yml
index c0329118d..7df38004e 100644
--- a/docs/openapi.yml
+++ b/docs/openapi.yml
@@ -2193,6 +2193,14 @@ components:
           type: boolean
         protected:
           type: boolean
+        authentication:
+          type: object
+          properties:
+            username:
+              description: user's github username
+              type: string
+              example: 'user'
+
     TemplateRepoSetting:
       type: object
       required:
diff --git a/src/pfe/portal/modules/Templates.js b/src/pfe/portal/modules/Templates.js
index 0a5c47c0a..3bdd04102 100644
--- a/src/pfe/portal/modules/Templates.js
+++ b/src/pfe/portal/modules/Templates.js
@@ -324,6 +324,9 @@ async function constructRepositoryObject(url, description, name, isRepoProtected
   if (isRepoProtected !== undefined) {
     repository.protected = isRepoProtected;
   }
+  if (gitCredentials && gitCredentials.username) {
+    repository.authentication = { username: gitCredentials.username };
+  }
   return repository;
 }