diff --git a/README.md b/README.md
index c0c84f1..5b4721b 100644
--- a/README.md
+++ b/README.md
@@ -202,6 +202,7 @@
 - [Top 5 Caching Patterns](https://newsletter.systemdesign.one/p/caching-patterns)
 - [How Discord Boosts Performance With Code-Splitting](https://newsletter.systemdesign.one/p/what-is-code-splitting-in-react)
 - [Consistent Hashing](https://systemdesign.one/consistent-hashing-explained/)
+- [Concurrency Is Not Parallelism](https://newsletter.systemdesign.one/p/concurrency-is-not-parallelism)
 
 
 #### D technologies