diff --git a/README.md b/README.md
index f230369..8b65ddc 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+# Mobius development is deprecated and has been superseded by a more recent version '.NET for Apache Spark' from Microsoft ([Website](https://dot.net/spark) | [GitHub](https://github.com/dotnet/spark)) that runs on Azure HDInsight Spark, Amazon EMR Spark, Azure & AWS Databricks.
+
 <img src='logo/mobius-star-200.png' width='125px' alt='Mobius logo' />
 
 # Mobius: C# API for Spark
@@ -157,4 +159,4 @@ Mobius is licensed under the MIT license. See [LICENSE](LICENSE) file for full l
   * tweet [@MobiusForSpark](http://twitter.com/MobiusForSpark)
 
 ## Code of Conduct
-This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
\ No newline at end of file
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.