diff --git a/README.md b/README.md
index e2b20d93a5e07e72ee1cbe621e593a6e8e8ea7eb..996584115302ce71ab587fd9423b7a4c75ed6c99 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,9 @@ including:
 - [**Incubating**] Support accepting other tracer data formats.
   - Zipkin JSON, Thrift, Protobuf v1 and v2 formats, powered by [OpenZipkin](https://github.com/openzipkin/zipkin) libs
   - Jaeger in [Zipkin Thrift or JSON v1/v2 formats](https://github.com/jaegertracing/jaeger#backwards-compatibility-with-zipkin)
+  
+# Announcement
+After SkyWalking 5.0.0-beta2 released, all core features have been provided. For 5 series, we are trying to make them stable from now. At the same time, we have already begun our works for 6 series, in branch `6.0`. It will be a long way to have the first alpha release for it. So if you want to take part in the challengeable works, welcome, but don't consider to use that. Please read the [6.0 documents](https://github.com/apache/incubator-skywalking/blob/6.0/docs/README.md) first.
 
 # Document
 - [Documents in English](docs/README.md)