diff --git a/package.json b/package.json
index dab77dd..39e209e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-front-matter",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "Front-matter parser.",
   "main": "lib/front_matter",
   "scripts": {