diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6dc5ae0..979d295 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 
 # Changelog
 
-## Trunk
+## Version 4.0.1
 
 * typescript: reflect latest change in formatters
 
diff --git a/package.json b/package.json
index 87a19f2..3d689f4 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "4.0.0",
+  "version": "4.0.1",
   "name": "csv-stringify",
   "description": "CSV stringifier implementing the Node.js `stream.Transform` API",
   "keywords": [