diff --git a/package-lock.json b/package-lock.json
index 9edea0d..ad8b893 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2186,9 +2186,9 @@
       }
     },
     "acorn": {
-      "version": "6.4.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
-      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA=="
+      "version": "7.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+      "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A=="
     },
     "acorn-jsx": {
       "version": "5.1.0",
@@ -5289,13 +5289,6 @@
         "acorn": "^7.1.0",
         "acorn-jsx": "^5.1.0",
         "eslint-visitor-keys": "^1.1.0"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "7.1.0",
-          "resolved": "https://registry.npm.taobao.org/acorn/download/acorn-7.1.0.tgz",
-          "integrity": "sha1-lJ028sKSU12mAig1hsJHfFfrLWw="
-        }
       }
     },
     "esprima": {
@@ -15669,6 +15662,11 @@
         "webpack-sources": "^1.4.1"
       },
       "dependencies": {
+        "acorn": {
+          "version": "6.4.2",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+          "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ=="
+        },
         "anymatch": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-2.0.0.tgz",
diff --git a/yarn.lock b/yarn.lock
index bce1b3b..bf588c6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1761,9 +1761,9 @@ acorn-jsx@^5.2.0:
   integrity sha512-HiUX/+K2YpkpJ+SzBffkM/AQ2YE03S0U1kjTLVpoJdhZMOWy8qvXVN9JdLqv2QsaQ6MPYQIuNmwD8zOiYUofLQ==
 
 acorn@^6.2.1:
-  version "6.3.0"
-  resolved "https://registry.npm.taobao.org/acorn/download/acorn-6.3.0.tgz#0087509119ffa4fc0a0041d1e93a417e68cb856e"
-  integrity sha1-AIdQkRn/pPwKAEHR6TpBfmjLhW4=
+  version "6.4.2"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.2.tgz#35866fd710528e92de10cf06016498e47e39e1e6"
+  integrity sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==
 
 acorn@^7.1.1:
   version "7.1.1"