diff --git a/package-lock.json b/package-lock.json
index efb76cd..8a0da31 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -121,6 +121,12 @@
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           "dev": true
         },
+        "serialize-javascript": {
+          "version": "1.9.1",
+          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
+          "integrity": "sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==",
+          "dev": true
+        },
         "source-map-support": {
           "version": "0.5.13",
           "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.13.tgz",
@@ -167,12 +173,6 @@
                 "pkg-dir": "^3.0.0"
               }
             },
-            "serialize-javascript": {
-              "version": "2.1.2",
-              "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz",
-              "integrity": "sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==",
-              "dev": true
-            },
             "source-map": {
               "version": "0.6.1",
               "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -3466,9 +3466,9 @@
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     },
     "acorn": {
-      "version": "6.4.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
-      "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
     "adm-zip": {
@@ -5003,12 +5003,6 @@
             "make-dir": "^2.0.0",
             "pkg-dir": "^3.0.0"
           }
-        },
-        "serialize-javascript": {
-          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz",
-          "integrity": "sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==",
-          "dev": true
         }
       }
     },
@@ -11123,6 +11117,12 @@
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       }
     },
+    "serialize-javascript": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
+      "integrity": "sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==",
+      "dev": true
+    },
     "serve-index": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/serve-index/-/serve-index-1.9.1.tgz",