diff --git a/package-lock.json b/package-lock.json
index b835850..8364e73 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -868,9 +868,9 @@
       "dev": true
     },
     "acorn": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npm.taobao.org/acorn/download/acorn-7.0.0.tgz",
-      "integrity": "sha1-JrjRzZqbcANQtxwJBVRvZNEoTno=",
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.1.tgz",
+      "integrity": "sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg==",
       "dev": true
     },
     "acorn-jsx": {