diff --git a/package-lock.json b/package-lock.json
index 1fb9fca..660dc5a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "relationship.js",
-    "version": "1.2.0",
+    "version": "1.2.1",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "relationship.js",
-            "version": "1.2.0",
+            "version": "1.2.1",
             "license": "MIT",
             "devDependencies": {
                 "gulp": "^4.0.2",
diff --git a/package.json b/package.json
index 02c4f18..e3a3505 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "relationship.js",
-    "version": "1.2.0",
+    "version": "1.2.1",
     "summary": "relationship.js is a javascript library for chinese family relationship. 中国家庭亲戚称谓计算器，家庭关系、亲戚关系算法。",
     "description": "Chinese kinship library",
     "author": "HaoLe Zheng",