diff --git a/package-lock.json b/package-lock.json
index 771b1ac..d9efe2a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1438,6 +1438,12 @@
       "integrity": "sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==",
       "dev": true
     },
+    "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
+    },
     "acorn-dynamic-import": {
       "version": "4.0.0",
       "resolved": "http://localhost:4873/acorn-dynamic-import/-/acorn-dynamic-import-4.0.0.tgz",
@@ -8850,12 +8856,6 @@
         "webpack-sources": "^1.3.0"
       },
       "dependencies": {
-        "acorn": {
-          "version": "6.1.1",
-          "resolved": "http://localhost:4873/acorn/-/acorn-6.1.1.tgz",
-          "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
-          "dev": true
-        },
         "arr-diff": {
           "version": "4.0.0",
           "resolved": "http://localhost:4873/arr-diff/-/arr-diff-4.0.0.tgz",
diff --git a/yarn.lock b/yarn.lock
index 9873e33..dac5037 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -829,9 +829,9 @@
   integrity sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==
 
 acorn@^6.2.1:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.0.tgz#b659d2ffbafa24baf5db1cdbb2c94a983ecd2784"
-  integrity sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==
+  version "6.4.2"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.2.tgz#35866fd710528e92de10cf06016498e47e39e1e6"
+  integrity sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==
 
 ajv-errors@^1.0.0:
   version "1.0.1"