diff --git a/README.md b/README.md
index a423c01..6bc7243 100644
--- a/README.md
+++ b/README.md
@@ -167,6 +167,7 @@ It's a great way to learn.
 
 #### Build your own `Front-end Framework / Library`
 
+* [**JavaScript**: _Build Your Own React.js in 400 Lines of Code_](https://webdeveloper.beehiiv.com/p/build-react-400-lines-code)
 * [**JavaScript**: _WTF is JSX (Let's Build a JSX Renderer)_](https://jasonformat.com/wtf-is-jsx/)
 * [**JavaScript**: _A DIY guide to build your own React_](https://github.com/hexacta/didact)
 * [**JavaScript**: _Building React From Scratch_](https://www.youtube.com/watch?v=_MAD4Oly9yg) [video]