diff --git a/free-programming-books-id.md b/free-programming-books-id.md
index 7689bed9..ea27f155 100644
--- a/free-programming-books-id.md
+++ b/free-programming-books-id.md
@@ -32,6 +32,7 @@
 
 * [Panduan Pengguna CodeIgniter Indonesia](https://codeigniter-id.github.io/user-guide/) - CodeIgniter Indonesia
 * [Tutorial CodeIgniter 3 & 4](https://www.petanikode.com/tutorial/codeigniter/) *(Dalam Proses)*
+* [Tutorial CodeIgniter 4](http://mfikri.com/artikel/tutorial-codeigniter4)
 
 
 ### Emacs