diff --git a/package-lock.json b/package-lock.json
index a5c7ae4..a22ec33 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2087,12 +2087,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2107,17 +2109,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2234,7 +2239,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2246,6 +2252,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2260,6 +2267,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2267,12 +2275,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -2291,6 +2301,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2371,7 +2382,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2383,6 +2395,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2504,6 +2517,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -6308,9 +6322,9 @@
       }
     },
     "supertest": {
-      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/supertest/-/supertest-3.4.2.tgz",
-      "integrity": "sha512-WZWbwceHUo2P36RoEIdXvmqfs47idNNZjCuJOqDz6rvtkk8ym56aU5oglORCpPeXGxT7l9rkJ41+O1lffQXYSA==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/supertest/-/supertest-4.0.2.tgz",
+      "integrity": "sha512-1BAbvrOZsGA3YTCWqbmh14L0YEq0EGICX/nBnfkfVJn7SrxQV1I3pMYjSzG9y/7ZU2V9dWqyqk2POwxlb09duQ==",
       "dev": true,
       "requires": {
         "methods": "^1.1.2",