diff --git a/npm/package-lock.json b/npm/package-lock.json
index d555595..80875fb 100644
--- a/npm/package-lock.json
+++ b/npm/package-lock.json
@@ -1,14 +1,13 @@
 {
   "name": "hpdevkit",
-  "version": "0.6.2",
+  "version": "0.6.4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "hpdevkit",
-      "version": "0.6.2",
+      "version": "0.6.4",
       "hasInstallScript": true,
-      "license": "MIT",
       "dependencies": {
         "commander": "9.4.0"
       },
diff --git a/npm/package.json b/npm/package.json
index 01a42ed..06e3778 100644
--- a/npm/package.json
+++ b/npm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hpdevkit",
-  "version": "0.6.2",
+  "version": "0.6.4",
   "description": "Developer toolkit for HotPocket smart contract development",
   "scripts": {
     "lint": "./node_modules/.bin/eslint *.js",
@@ -16,7 +16,6 @@
     "smart contract"
   ],
   "homepage": "https://github.com/HotPocketDev/evernode-sdk",
-  "license": "MIT",
   "dependencies": {
     "commander": "9.4.0"
   },