diff --git a/README.md b/README.md
index 20f278e..4d99ed2 100644
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+++ b/README.md
@@ -264,6 +264,7 @@
 #### S technologies
 
 - [Service Discovery](https://systemdesign.one/what-is-service-discovery/)
+- [How Sidecar Pattern Works](https://newsletter.systemdesign.one/p/sidecar-pattern)
 
 #### W technologies