diff --git a/package-lock.json b/package-lock.json
index 779c82e..24000d8 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -5832,11 +5416,21 @@
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+      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
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-        "mime": "1.4.1",
-        "ms": "2.0.0",
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-        "statuses": "~1.4.0"
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+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.3.tgz",
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+            "inherits": "2.0.4",
+            "setprototypeof": "1.1.1",
+            "statuses": ">= 1.5.0 < 2",
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-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
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+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
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+          "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
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+          "dev": true
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+        "setprototypeof": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
+          "integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw==",
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+        },
+        "statuses": {
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+          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+          "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=",
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+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.1.tgz",
+      "integrity": "sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==",
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         "escape-html": "~1.0.3",
-        "parseurl": "~1.3.2",
-        "send": "0.16.2"
+        "parseurl": "~1.3.3",
+        "send": "0.17.1"
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+          "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
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+        }
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@@ -7147,7 +6771,7 @@
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-      "resolved": "http://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
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@@ -7260,6 +6884,12 @@
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+          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
+          "integrity": "sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ=",
+          "dev": true
         }
       }
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@@ -7338,6 +6968,12 @@
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+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
+      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==",
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+    },
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@@ -7740,7 +7376,7 @@
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-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
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@@ -7765,7 +7401,7 @@
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-          "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
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@@ -7776,7 +7412,7 @@
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-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -7801,9 +7437,9 @@
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+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.3.tgz",
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diff --git a/package.json b/package.json
index 858e6ab..a7edb3a 100644
--- a/package.json
+++ b/package.json
@@ -14,10 +14,10 @@
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     "commitizen": "^3.1.1",
-    "concurrently": "^4.0.1",
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     "eslint": "^5.16.0",
-    "express": "^4.16.4",
+    "express": "^4.17.1",
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@@ -26,7 +26,7 @@
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     "karma-script-launcher": "^1.0.0",
-    "nodemon": "^1.19.0",
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