diff --git a/package-lock.json b/package-lock.json
index dd19786..3e972cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3573,9 +3573,9 @@
       "integrity": "sha1-nQh1Oozl+KfgtJFXnvXB4BiJ6A8="
     },
     "acorn": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
-      "integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
     "acorn-jsx": {
@@ -6788,12 +6788,6 @@
         "vue-eslint-parser": "^5.0.0"
       },
       "dependencies": {
-        "acorn": {
-          "version": "6.2.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.2.0.tgz",
-          "integrity": "sha512-8oe72N3WPMjA+2zVG71Ia0nXZ8DpQH+QyyHO+p06jT8eg8FGG3FbcUIi8KziHlAfheJQZeoqbvq1mQSQHXKYLw==",
-          "dev": true
-        },
         "acorn-jsx": {
           "version": "5.0.1",
           "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.1.tgz",