diff --git a/cocos/core/global-exports.ts b/cocos/core/global-exports.ts
index f7afe2923c6..bb651da96dd 100644
--- a/cocos/core/global-exports.ts
+++ b/cocos/core/global-exports.ts
@@ -173,7 +173,7 @@ if (DEV) {
     legacyCC._Test = {};
 }
 
-const engineVersion = '3.1';
+const engineVersion = '3.1.1';
 /**
  * The current version of Cocos2d being used.<br/>
  * Please DO NOT remove this String, it is an important flag for bug tracking.<br/>
diff --git a/package.json b/package.json
index c478ad4d296..c4946d87729 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cocos-creator",
-  "version": "3.0.0",
+  "version": "3.1.1",
   "description": "Cocos Creator is a cross-platform 2D & 3D game engine written in TypeScript, licensed under MIT.",
   "homepage": "http://www.cocos.com",
   "license": "MIT",