diff --git a/Readme.md b/Readme.md
index 6f0633a..f2b3b0d 100644
--- a/Readme.md
+++ b/Readme.md
@@ -5,6 +5,10 @@
 
 A parcel plugin for riot.js
 
+## Important
+
+If you are using Riot.js < 4.0.0 please check the [v3 branch](https://github.com/riot/parcel-plugin-riot/tree/v3)
+
 ## Using
 Add parcel-plugin-riot to your project.
 
diff --git a/package.json b/package.json
index 8f60ccb..d5d28b4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@riotjs/parcel-plugin-riot",
-  "version": "4.0.0-alpha.1",
+  "version": "4.0.0",
   "description": "A parcel plugin for riot.js",
   "main": "index.js",
   "scripts": {