diff --git a/package-lock.json b/package-lock.json
index cdf45e5..24db166 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -268,11 +268,6 @@
         "negotiator": "0.6.2"
       }
     },
-    "acorn": {
-      "version": "6.4.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
-      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA=="
-    },
     "acorn-walk": {
       "version": "6.2.0",
       "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.2.0.tgz",
@@ -4711,9 +4706,9 @@
           }
         },
         "y18n": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-          "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+          "version": "3.2.2",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
+          "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
           "dev": true
         },
         "yargs": {
@@ -5804,6 +5799,11 @@
         "webpack-sources": "1.4.3"
       },
       "dependencies": {
+        "acorn": {
+          "version": "6.4.0",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
+          "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw=="
+        },
         "schema-utils": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-1.0.0.tgz",
@@ -5835,6 +5835,14 @@
         "mkdirp": "0.5.1",
         "opener": "1.5.1",
         "ws": "6.2.1"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "6.4.0",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
+          "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==",
+          "dev": true
+        }
       }
     },
     "webpack-cli": {