diff --git a/docs/changelog.md b/docs/changelog.md
index 6669919fc..625a159f3 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -2,6 +2,10 @@
 
 ## `3.4.1`
 
+- ed3ecd7 speed up date+time formatting ⚡️
+
+## `3.4.1`
+
 - 582c9de speed up date+time parsing ⚡️
 
 ## `3.4.0`
diff --git a/package.json b/package.json
index 7c0b1f762..27e12bda8 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "hafas-client",
 	"description": "JavaScript client for HAFAS public transport APIs.",
-	"version": "3.4.1",
+	"version": "3.4.2",
 	"main": "index.js",
 	"files": [
 		"index.js",