diff --git a/README.md b/README.md
index 23de6b4..a268e59 100644
--- a/README.md
+++ b/README.md
@@ -212,6 +212,7 @@
 
 - [How Databases Keep Passwords Securely](https://newsletter.systemdesign.one/p/how-to-store-passwords-in-database)
 - [How DNS Works](https://newsletter.systemdesign.one/p/what-is-a-dns-server-and-how-does-it-work)
+- [Deployment Patterns](https://newsletter.systemdesign.one/p/deployment-patterns)
 
 
 #### G technologies