diff --git a/package-lock.json b/package-lock.json
index 142f0eb..2cef031 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2918,9 +2918,9 @@
       "dev": true
     },
     "acorn": {
-      "version": "6.1.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-      "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
       "dev": true
     },
     "acorn-jsx": {
@@ -9452,12 +9452,6 @@
         "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==",
-          "dev": true
-        },
         "ajv": {
           "version": "6.12.6",
           "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",