diff --git a/lib/modules/auth/user.js b/lib/modules/auth/user.js
index 2eea4850..50cbb024 100644
--- a/lib/modules/auth/user.js
+++ b/lib/modules/auth/user.js
@@ -60,6 +60,10 @@ export default class User {
     return this._valueOrFalse('isAnonymous');
   }
 
+  get phoneNumber(): String | null {
+    return this._valueOrNull('phoneNumber');
+  }
+
   get photoURL(): String | null {
     return this._valueOrNull('photoURL');
   }