diff --git a/package-lock.json b/package-lock.json
index b0cfff6..5766157 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "ajv": {
-      "version": "6.12.0",
-      "resolved": "https://registry.npm.taobao.org/ajv/download/ajv-6.12.0.tgz",
-      "integrity": "sha1-BtYLlth7hFSlrauobnhU2mKdtLc=",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "requires": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",