diff --git a/README.md b/README.md
index f39869f7..794d111b 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,9 @@
+> [!CAUTION]
+> This project is no longer maintained. I will migrate to use [zensical](https://zensical.org/) instead and change the document propose.
+
> [!WARNING]
> This project will deliver about **Data Developer & Engineer Documents and
> Hands-On** from my experience and reference from public blogs only!!!