diff --git a/package-lock.json b/package-lock.json
index 13a81e6..74b1c21 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5105,45 +5105,45 @@
     "express": {
       "version": "4.16.3",
       "resolved": "https://registry.npmjs.org/express/-/express-4.16.3.tgz",
-      "integrity": "sha1-avilAjUNsyRuzEvs9rWjTSL37VM=",
+      "integrity": "sha512-CDaOBMB9knI6vx9SpIxEMOJ6VBbC2U/tYNILs0qv1YOZc15K9U2EcF06v10F0JX6IYcWnKYZJwIDJspEHLvUaQ==",
       "dev": true,
       "requires": {
-        "accepts": "1.3.5",
+        "accepts": "~1.3.5",
         "array-flatten": "1.1.1",
         "body-parser": "1.18.2",
         "content-disposition": "0.5.2",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "cookie": "0.3.1",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
         "finalhandler": "1.1.1",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
-        "methods": "1.1.2",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "2.0.3",
+        "proxy-addr": "~2.0.3",
         "qs": "6.5.1",
-        "range-parser": "1.2.0",
+        "range-parser": "~1.2.0",
         "safe-buffer": "5.1.1",
         "send": "0.16.2",
         "serve-static": "1.13.2",
         "setprototypeof": "1.1.0",
-        "statuses": "1.4.0",
-        "type-is": "1.6.16",
+        "statuses": "~1.4.0",
+        "type-is": "~1.6.16",
         "utils-merge": "1.0.1",
-        "vary": "1.1.2"
+        "vary": "~1.1.2"
       },
       "dependencies": {
         "array-flatten": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
-          "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
+          "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg==",
           "dev": true
         },
         "debug": {
@@ -5158,7 +5158,7 @@
         "ms": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
           "dev": true
         },
         "qs": {
@@ -6337,12 +6337,6 @@
           "dev": true,
           "optional": true
         },
-        "qs": {
-          "version": "6.4.0",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
         "rc": {
           "version": "1.2.1",
           "bundled": true,
@@ -11985,10 +11979,11 @@
       "dev": true
     },
     "qs": {
-      "version": "6.3.2",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.3.2.tgz",
-      "integrity": "sha1-51vV9uJoEioqDgvaYwslUMFmUCw=",
-      "dev": true
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.4.0.tgz",
+      "integrity": "sha512-Qs6dfgR5OksK/PSxl1kGxiZgEQe8RqJMB9wZqVlKQfU+zzV+HY77pWJnoJENACKDQByWdpr8ZPIh1TBi4lpiSQ==",
+      "dev": true,
+      "optional": true
     },
     "query-string": {
       "version": "4.3.4",
@@ -12361,6 +12356,14 @@
         "tough-cookie": "2.3.4",
         "tunnel-agent": "0.4.3",
         "uuid": "3.2.1"
+      },
+      "dependencies": {
+        "qs": {
+          "version": "6.3.2",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.3.2.tgz",
+          "integrity": "sha512-H7Es34wXu+JjuD3QLwVgqtVU1nisFhwxYdYCYSFzWyP5/S4s8DtJ6rbVWdHVat/UPYiV36wxYmL7rPbLQJrX7g==",
+          "dev": true
+        }
       }
     },
     "require-directory": {