diff --git a/README.md b/README.md
index 0a2e252..dce50b7 100644
--- a/README.md
+++ b/README.md
@@ -439,7 +439,7 @@ It's a great way to learn.
 * [**C**: _Write a System Call_](https://brennan.io/2016/11/14/kernel-dev-ep3/)
 * [**C**: _Sol - An MQTT broker from scratch_](https://codepr.github.io/posts/sol-mqtt-broker)
 * [**C++**: _Build your own VR headset for $200_](https://github.com/relativty/Relativ)
-* [**C++**: _How X Window Managers work and how to write one_](https://seasonofcode.com/posts/how-x-window-managers-work-and-how-to-write-one-part-i.html)
+* [**C++**: _How X Window Managers work and how to write one_](https://jichu4n.com/posts/how-x-window-managers-work-and-how-to-write-one-part-i/)
 * [**C++**: _Writing a Linux Debugger_](https://blog.tartanllama.xyz/writing-a-linux-debugger-setup/)
 * [**C++**: _How a 64k intro is made_](http://www.lofibucket.com/articles/64k_intro.html)
 * [**C++**: _Make your own Game Engine_](https://www.youtube.com/playlist?list=PLlrATfBNZ98dC-V-N3m0Go4deliWHPFwT)