diff --git a/package.json b/package.json
index 22ca584c2..da5d15494 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-theme-tranquilpeak",
-  "version": "3.1.1",
+  "version": "4.0.0",
   "description": "A gorgeous responsive theme for Hexo blog framework",
   "main": "Gruntfile.js",
   "scripts": {