diff --git a/README.md b/README.md
index acfae3c8e..9ecbff63e 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+> 🚨 **Announcement**  
+> **Ocean Market** is part of the old version of the Ocean stack and is not actively maintained.  
+> [See the docs](https://docs.oceanprotocol.com/developers/ocean-node) to learn about Ocean Node and the new stack.
+
 [![banner](https://raw.githubusercontent.com/oceanprotocol/art/master/github/repo-banner%402x.png)](https://oceanprotocol.com)
 
 <h1 align="center">Ocean Marketplace</h1>
diff --git a/content/site.json b/content/site.json
index 75d072c39..b5fe188a4 100644
--- a/content/site.json
+++ b/content/site.json
@@ -14,7 +14,7 @@
       "link": "/profile"
     }
   ],
-  "announcement": "",
+  "announcement": "Ocean Market is part of the old version of the Ocean stack and is not actively maintained. [See the docs](https://docs.oceanprotocol.com/developers/ocean-node)  to learn about Ocean Node and the new stack.",
   "warning": {
     "ctd": "Please note that Compute-to-Data is still in alpha phase."
   }