diff --git a/package-lock.json b/package-lock.json
index c0946a3..6d849ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2290,9 +2290,9 @@
       }
     },
     "acorn": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz",
-      "integrity": "sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
     "acorn-globals": {
@@ -2303,14 +2303,6 @@
       "requires": {
         "acorn": "^6.0.1",
         "acorn-walk": "^6.0.1"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
-          "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==",
-          "dev": true
-        }
       }
     },
     "acorn-jsx": {
@@ -2330,6 +2322,12 @@
         "xtend": "^4.0.2"
       },
       "dependencies": {
+        "acorn": {
+          "version": "7.1.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.1.tgz",
+          "integrity": "sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg==",
+          "dev": true
+        },
         "acorn-walk": {
           "version": "7.1.0",
           "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-7.1.0.tgz",
@@ -8232,14 +8230,6 @@
         "acorn": "^6.0.7",
         "acorn-jsx": "^5.0.0",
         "eslint-visitor-keys": "^1.0.0"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
-          "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==",
-          "dev": true
-        }
       }
     },
     "esprima": {
@@ -12351,6 +12341,12 @@
         "xml-name-validator": "^3.0.0"
       },
       "dependencies": {
+        "acorn": {
+          "version": "7.1.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.1.tgz",
+          "integrity": "sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg==",
+          "dev": true
+        },
         "parse5": {
           "version": "5.1.1",
           "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.1.tgz",
@@ -24098,12 +24094,6 @@
         "webpack-sources": "^1.4.1"
       },
       "dependencies": {
-        "acorn": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
-          "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==",
-          "dev": true
-        },
         "schema-utils": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-1.0.0.tgz",
@@ -24138,12 +24128,6 @@
         "ws": "^6.0.0"
       },
       "dependencies": {
-        "acorn": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
-          "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==",
-          "dev": true
-        },
         "commander": {
           "version": "2.20.3",
           "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",