diff --git a/aio/content/navigation.json b/aio/content/navigation.json
index 9d36773005..f0a8ba6b13 100644
--- a/aio/content/navigation.json
+++ b/aio/content/navigation.json
@@ -486,6 +486,7 @@
   ],
 
   "docVersions": [
+    { "title": "v4 (LTS)", "url": "https://v4.angular.io" },
     { "title": "v2", "url": "https://v2.angular.io" },
     { "title": "AngularDart", "url": "https://webdev.dartlang.org/angular" }