diff --git a/um_wasm_loader/package.json b/um_wasm_loader/package.json
index 740969d..144737b 100644
--- a/um_wasm_loader/package.json
+++ b/um_wasm_loader/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@unlock-music/crypto",
-  "version": "0.0.0-alpha.4",
+  "version": "0.0.0-alpha.5",
   "description": "Project Unlock Music: 加解密支持库",
   "scripts": {
     "build": "node build.js",