diff --git a/docs/changelog.md b/docs/changelog.md
index a8782357..154e7c6b 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## `4.0.1`
+
+- 5d49fd0 `parseDateTime`: fix `tzOffset` & `daysOffset` 🐛
+
 ## `4.0.0`
 
 This version is not fully backwords-compatible. Check out [the migration guide](migrating-to-4.md).
diff --git a/package.json b/package.json
index 0394c06c..28748e98 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "hafas-client",
 	"description": "Client for HAFAS public transport APIs.",
-	"version": "4.0.0",
+	"version": "4.0.1",
 	"main": "index.js",
 	"files": [
 		"index.js",