diff --git a/CHANGELOG.md b/CHANGELOG.md
index aca8de4..468c717 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 
 # Changelog
 
-## Trunk
+## Version 4.0.0
 
 This is a complete rewrite based with a Buffer implementation. There are no major breaking changes but it introduces multiple minor breaking changes:
 
diff --git a/package.json b/package.json
index 3e028e8..7322afc 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "3.2.0",
+  "version": "4.0.0",
   "name": "csv-parse",
   "description": "CSV parsing implementing the Node.js `stream.Transform` API",
   "keywords": [