diff --git a/package-lock.json b/package-lock.json
index a9ba77f..9a83cab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2337,10 +2337,9 @@
       }
     },
     "acorn": {
-      "version": "6.0.5",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.0.5.tgz",
-      "integrity": "sha512-i33Zgp3XWtmZBMNvCr4azvOFeWVw1Rk6p3hfi3LUDvIFraOMywb1kAtrbi+med14m4Xfpqm3zRZMT+c0FNE7kg==",
-      "dev": true
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA=="
     },
     "acorn-jsx": {
       "version": "5.0.1",
@@ -12725,11 +12724,6 @@
         "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=="
-        },
         "ajv": {
           "version": "6.10.2",
           "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
@@ -12869,11 +12863,6 @@
         "ws": "^6.0.0"
       },
       "dependencies": {
-        "acorn": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
-          "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw=="
-        },
         "ansi-styles": {
           "version": "3.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",