diff --git a/package-lock.json b/package-lock.json
index 14386ee5..0343a39a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
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         "live-server": "^1.2.0",
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@@ -470,13 +470,6 @@
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-      "dev": true,
-      "license": "MIT"
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@@ -554,13 +547,6 @@
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
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@@ -578,13 +564,6 @@
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-      "dev": true,
-      "license": "MIT"
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@@ -611,13 +590,6 @@
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-      "license": "MIT"
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@@ -677,13 +649,6 @@
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
-      "dev": true,
-      "license": "MIT"
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@@ -781,13 +746,6 @@
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-      "license": "MIT"
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@@ -1113,13 +1064,6 @@
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@@ -1158,13 +1095,6 @@
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@@ -1783,13 +1713,6 @@
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@@ -1832,7 +1755,6 @@
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@@ -2131,13 +2045,6 @@
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-      "license": "MIT"
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@@ -2303,18 +2210,6 @@
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@@ -2871,8 +2766,7 @@
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+        "optionator": "^0.8.1"
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@@ -4417,13 +4311,6 @@
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@@ -5232,13 +5119,6 @@
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@@ -5558,15 +5435,10 @@
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-      "dev": true,
-      "engines": [
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-      "license": "MIT"
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
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@@ -6600,17 +6472,6 @@
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@@ -7121,14 +6975,6 @@
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@@ -7820,13 +7659,6 @@
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@@ -9194,7 +9026,6 @@
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@@ -9689,7 +9518,6 @@
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@@ -11398,14 +11169,6 @@
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@@ -11423,14 +11186,6 @@
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         "invariant": "^2.2.2",
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@@ -11443,14 +11198,6 @@
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         "lodash": "^4.17.4",
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-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
-          "dev": true
-        }
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     "babylon": {
@@ -11924,14 +11671,6 @@
       "dev": true,
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-      },
-      "dependencies": {
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-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
-          "dev": true
-        }
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     "center-align": {
@@ -12080,10 +11819,6 @@
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       "dev": true
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-    "colors": {
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-      "extraneous": true
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       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
@@ -12189,12 +11924,6 @@
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-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
-          "dev": true
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           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.2.3.tgz",
@@ -12321,14 +12050,6 @@
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       "dev": true
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-    "cors": {
-      "version": "2.8.5",
-      "extraneous": true,
-      "requires": {
-        "object-assign": "^4",
-        "vary": "^1"
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       "resolved": "https://registry.npmjs.org/create-ecdh/-/create-ecdh-4.0.4.tgz",
@@ -13924,12 +13645,6 @@
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-        "lodash": {
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-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
-          "dev": true
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           "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-2.3.11.tgz",
@@ -14507,12 +14222,6 @@
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-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
-          "dev": true
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         "strip-json-comments": {
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           "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-1.0.4.tgz",
@@ -14748,9 +14457,9 @@
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     "lodash": {
-      "version": "2.4.2",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
-      "integrity": "sha1-+t2DS5aDBz2hebPq5tnA0VBT9z4=",
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
       "dev": true
     },
     "lodash._baseassign": {
@@ -15547,13 +15256,6 @@
         "wrappy": "1"
       }
     },
-    "opn": {
-      "version": "6.0.0",
-      "extraneous": true,
-      "requires": {
-        "is-wsl": "^1.1.0"
-      }
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     "optionator": {
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       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.3.tgz",
@@ -15861,12 +15563,6 @@
             "ms": "^2.1.1"
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-        "lodash": {
-          "version": "4.17.20",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
-          "dev": true
-        },
         "ms": {
           "version": "2.1.3",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -15927,10 +15623,6 @@
         "ipaddr.js": "1.9.1"
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-    "proxy-middleware": {
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-      "extraneous": true
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     "prr": {
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       "resolved": "https://registry.npmjs.org/prr/-/prr-1.0.1.tgz",
@@ -16420,14 +16112,6 @@
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-      },
-      "dependencies": {
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-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
-          "dev": true
-        }
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     "request-promise-native": {
@@ -16466,14 +16150,6 @@
       "dev": true,
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-      },
-      "dependencies": {
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-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
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-        }
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diff --git a/package.json b/package.json
index 7c2cebc4..9771cfeb 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "jsdom-global": "^3.0.2",
     "jshint": "^2.9.4",
     "live-server": "^1.2.0",
-    "lodash": "~2.4.1",
+    "lodash": "~4.17.21",
     "mocha": "^3.2.0",
     "nodemon": "^1.11.0",
     "request": "^2.83.0",