diff --git a/package.json b/package.json
index 08b2b94..6d77b8d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@szmarczak/http-timer",
-	"version": "3.1.1",
+	"version": "4.0.0",
 	"description": "Timings for HTTP requests",
 	"main": "dist",
 	"engines": {