diff --git a/package.json b/package.json
index fecb495..b579f11 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "acala-wormhole-relayer",
-  "version": "1.8.1-0",
+  "version": "1.8.1",
   "description": "",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
diff --git a/src/consts.ts b/src/consts.ts
index ef751dd..550eead 100644
--- a/src/consts.ts
+++ b/src/consts.ts
@@ -266,4 +266,4 @@ export const MINUTE = 60 * SECOND;
 export const HOUR = 60 * MINUTE;
 export const DAY = 24 * HOUR;
 
-export const VERSION = '1.8.1-0';
+export const VERSION = '1.8.1';