diff --git a/package-lock.json b/package-lock.json
index 00af8c2..effcd4e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,12 +11,27 @@
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@@ -350,9 +372,9 @@
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-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
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@@ -1118,9 +1150,9 @@
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@@ -3128,23 +3164,30 @@
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+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.1",
+        "statuses": "~1.5.0"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+        }
       }
     },
     "sequencify": {
@@ -3154,14 +3197,14 @@
       "dev": true
     },
     "serve-static": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
-      "integrity": "sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==",
+      "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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-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "parseurl": "1.3.2",
-        "send": "0.16.2"
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.3",
+        "send": "0.17.1"
       }
     },
     "set-blocking": {
@@ -3194,9 +3237,9 @@
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     "setprototypeof": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
-      "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ=="
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
+      "integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw=="
     },
     "sigmund": {
       "version": "1.0.1",
@@ -3428,9 +3471,9 @@
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     },
     "statuses": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
-      "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew=="
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+      "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
     },
     "stdout-stream": {
       "version": "1.4.1",
@@ -3581,6 +3624,11 @@
         "repeat-string": "1.6.1"
       }
     },
+    "toidentifier": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
+      "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
+    },
     "tough-cookie": {
       "version": "2.4.3",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
@@ -3630,12 +3678,27 @@
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     },
     "type-is": {
-      "version": "1.6.16",
-      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
-      "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "2.1.22"
+        "mime-types": "~2.1.24"
+      },
+      "dependencies": {
+        "mime-db": {
+          "version": "1.51.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.51.0.tgz",
+          "integrity": "sha512-5y8A56jg7XVQx2mbv1lu49NR4dokRnhZYTtL+KGfaa27uq4pSTXkwQkFJl4pkRMyNFz/EtYDSkiiEHx3F7UN6g=="
+        },
+        "mime-types": {
+          "version": "2.1.34",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.34.tgz",
+          "integrity": "sha512-6cP692WwGIs9XXdOO4++N+7qjqv0rqxxVvJ3VHPh/Sc9mVZcQP+ZGhkKiTvWMQRr2tbHkJP/Yn7Y0npb3ZBs4A==",
+          "requires": {
+            "mime-db": "1.51.0"
+          }
+        }
       }
     },
     "unc-path-regex": {
diff --git a/package.json b/package.json
index fd3c0a7..3b149a9 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,6 @@
     "gulp-sass": "^4.0.2"
   },
   "dependencies": {
-    "express": "^4.16.4"
+    "express": "^4.17.1"
   }
 }