diff --git a/README.md b/README.md
index 960bc81..b0029d3 100644
--- a/README.md
+++ b/README.md
@@ -195,6 +195,7 @@
 - [How API Gateway Works](newsletter.systemdesign.one/p/how-api-gateway-works)
 - [API Gateway vs Load Balancer vs Reverse Proxy](https://newsletter.systemdesign.one/p/api-gateway-load-balancer-reverse-proxy)
 - [Best Practices for API Design](https://newsletter.systemdesign.one/p/best-practices-for-api-design)
+- [Best Practices for API Security](https://newsletter.systemdesign.one/p/api-security-best-practices)
 
 #### B technologies