diff --git a/courses/free-courses-en.md b/courses/free-courses-en.md
index 70db8d2ab..2bc581b34 100644
--- a/courses/free-courses-en.md
+++ b/courses/free-courses-en.md
@@ -1823,6 +1823,7 @@
 * [System Design](https://www.youtube.com/playlist?list=PLliXPok7ZonnZd99TE0Zzn1MZlE4u08GW) - Keerti Purswani
 * [System Design Fundamentals](https://www.youtube.com/playlist?list=PLCRMIe5FDPsd0gVs500xeOewfySTsmEjf) - ByteByteGo
 * [System Design Interview Preparation Series](https://www.youtube.com/playlist?list=PLhgw50vUymycJPN6ZbGTpVKAJ0cL4OEH3) - codeKarle
+* [System Design Playlist](https://www.youtube.com/playlist?list=PLQEaRBV9gAFvzp6XhcNFpk1WdOcyVo9qT) - Coder Army
 * [System Design Primer Course](https://www.youtube.com/playlist?list=PLTCrU9sGyburBw9wNOHebv9SjlE4Elv5a) - sudoCODE