diff --git a/README.md b/README.md
index aea3efd..2bba142 100755
--- a/README.md
+++ b/README.md
@@ -166,7 +166,7 @@ Atualizar um campo ou mais diferente para cada transação.
 
 - [MassUpdate3](https://gitea.nteia.com/johdougss/laravel-performance/src/branch/main/app/Tasks/MassUpdate/Group2/MassUpdate3Task.php)
 - [MassUpdate4](https://gitea.nteia.com/johdougss/laravel-performance/src/branch/main/app/Tasks/MassUpdate/Group2/MassUpdate4Task.php)
-- [MassUpdate5](https://gitea.nteia.com/johdougss/laravel-performance/src/branch/main/app/Tasks/MassUpdate/Group2/MassUpdate5Task.php)
+- [MassUpdate5](https://gitea.nteia.com/johdougss/laravel-performance/src/branch/main/app/Tasks/MassUpdate/Group2/MassUpdate5Task.php) ([lib mass-update](https://github.com/johdougss/laravel-mass-update))
 - [MassUpdate6](https://gitea.nteia.com/johdougss/laravel-performance/src/branch/main/app/Tasks/MassUpdate/Group2/MassUpdate6Task.php)
 
 ### Result