diff --git a/package.json b/package.json
index b96e416..06fcb39 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@consenlabs/tokenlon-mmsk",
-  "version": "5.2.0-alpha.1",
+  "version": "5.2.0-alpha.2",
   "description": "Tokenlon market maker server kit",
   "author": "imToken PTE. LTD.",
   "license": "MIT",
diff --git a/src/handler/version.ts b/src/handler/version.ts
index d41e929..f102e68 100644
--- a/src/handler/version.ts
+++ b/src/handler/version.ts
@@ -1,6 +1,6 @@
 export const version = (ctx) => {
   ctx.body = {
     result: true,
-    version: '5.2.0-alpha.1',
+    version: '5.2.0-alpha.2',
   }
 }