diff --git a/README.md b/README.md
index 9a30107..34b64de 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # loopback-example-offline-sync
 
+**⚠️ This LoopBack 3 example project is no longer maintained. Please refer to [LoopBack 4 Examples](https://loopback.io/doc/en/lb4/Examples.html) instead. ⚠️**
+
 An example running LoopBack in the browser and server, demonstrating the
 following features: