diff --git a/package-lock.json b/package-lock.json
index ee5a7b6..a97a2e2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "linebot",
-  "version": "1.5.3",
+  "version": "1.6.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index b96b88b..22d2aea 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "linebot",
-  "version": "1.5.3",
+  "version": "1.6.0",
   "description": "Node.js SDK for the LINE Messaging API",
   "main": "index.js",
   "files": [