diff --git a/package-lock.json b/package-lock.json
index 8600ed3..25d8658 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -86,7 +86,7 @@
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+      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
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@@ -265,34 +265,36 @@
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-        "on-finished": "2.3.0",
-        "qs": "6.4.0",
-        "raw-body": "2.2.0",
-        "type-is": "1.6.16"
+        "bytes": "3.1.2",
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+        "debug": "2.6.9",
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+        "destroy": "1.2.0",
+        "http-errors": "2.0.0",
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+        "qs": "6.11.0",
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-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.7.tgz",
-          "integrity": "sha1-krrR9tBbu2u6Isyoi80OyJTChh4=",
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+          "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
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+          "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
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-          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.15.tgz",
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@@ -358,9 +360,9 @@
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-      "integrity": "sha1-fZcZb51br39pNeJZhVSe3SpsIzk="
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@@ -385,6 +387,15 @@
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+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
+      "integrity": "sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==",
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@@ -631,7 +642,7 @@
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-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
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@@ -816,9 +827,9 @@
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-      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.2.0.tgz",
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@@ -865,7 +876,7 @@
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-      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
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@@ -933,7 +944,7 @@
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@@ -1000,36 +1011,36 @@
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-      "integrity": "sha1-ZwI1ypWYiQpa6BcLg9tyK4Qu2Sc=",
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-        "accepts": "1.3.5",
+        "accepts": "~1.3.3",
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         "content-disposition": "0.5.2",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.2",
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-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
-        "finalhandler": "1.0.6",
+        "depd": "~1.1.1",
+        "encodeurl": "~1.0.1",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.0",
+        "finalhandler": "~1.0.6",
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-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
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         "serve-static": "1.12.6",
         "setprototypeof": "1.0.3",
-        "statuses": "1.3.1",
-        "type-is": "1.6.16",
+        "statuses": "~1.3.1",
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@@ -1037,10 +1048,15 @@
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+          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.0.3.tgz",
+          "integrity": "sha512-9jphSf3UbIgpOX/RKvX02iw/rN2TKdusnsPpGfO/rkcsrd+IRqgHZb4VGnmL0Cynps8Nj2hN45wsi30BzrHDIw=="
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-          "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
+          "integrity": "sha512-wuTCPGlJONk/a1kqZ4fQM2+908lC7fa7nPYpTC1EhnvqLX/IICbeP1OZGDtA374trpSq68YubKUMo8oRhN46yg=="
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@@ -1116,21 +1132,21 @@
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-      "integrity": "sha1-AHrqM9Gk0+QgF/YkhIrVjSEvgU8=",
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-        "escape-html": "1.0.3",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
-        "statuses": "1.3.1",
-        "unpipe": "1.0.0"
+        "encodeurl": "~1.0.1",
+        "escape-html": "~1.0.3",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
+        "statuses": "~1.3.1",
+        "unpipe": "~1.0.0"
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-          "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
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@@ -1253,7 +1269,7 @@
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-      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
+      "integrity": "sha512-Ua9xNhH0b8pwE3yRbFfXJvfdWF0UHNCdeyb2sbi9Ul/M+r3PTdrz7Cv4SCfZRMjmzEM9PhraqfZFbGTIg3OMyA=="
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@@ -1300,7 +1316,8 @@
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+          "bundled": true,
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@@ -1318,11 +1335,13 @@
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+          "bundled": true,
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@@ -1335,15 +1354,18 @@
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+          "bundled": true,
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+          "bundled": true,
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@@ -1446,7 +1468,8 @@
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@@ -1456,6 +1479,7 @@
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           "bundled": true,
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           }
@@ -1468,17 +1492,20 @@
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           "bundled": true,
+          "optional": true,
           "requires": {
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           }
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         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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           "bundled": true,
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@@ -1495,6 +1522,7 @@
         "mkdirp": {
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           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -1567,7 +1595,8 @@
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@@ -1577,6 +1606,7 @@
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           "bundled": true,
+          "optional": true,
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@@ -1652,7 +1682,8 @@
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@@ -1682,6 +1713,7 @@
         "string-width": {
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           "bundled": true,
+          "optional": true,
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@@ -1699,6 +1731,7 @@
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           "bundled": true,
+          "optional": true,
           "requires": {
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           }
@@ -1737,19 +1770,36 @@
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         "wrappy": {
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+          "bundled": true,
+          "optional": true
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           "version": "3.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
+      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A=="
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       "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-2.5.4.tgz",
       "integrity": "sha1-OMYYhRPhQDCUjsblz2VSPZd5KZs="
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+    "get-intrinsic": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.1.3.tgz",
+      "integrity": "sha512-QJVz1Tj7MS099PevUG5jvnt9tSkXN8K14dxQlikJuPt4uD9hHAHjLyLBiLR5zELelBdD9QNRAXZzsJx0WaDL9A==",
+      "requires": {
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+        "has": "^1.0.3",
+        "has-symbols": "^1.0.3"
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@@ -1830,6 +1880,14 @@
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+      "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
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+      "requires": {
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@@ -1858,6 +1916,11 @@
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       "integrity": "sha1-XkdHk/fqmEPRu5nCPu9J/xJv/zk="
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+      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.3.tgz",
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@@ -1967,20 +2030,26 @@
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-        "statuses": "1.4.0"
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-2.0.0.tgz",
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+        "inherits": "2.0.4",
+        "setprototypeof": "1.2.0",
+        "statuses": "2.0.1",
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@@ -2399,6 +2476,11 @@
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@@ -2685,6 +2767,11 @@
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@@ -2904,9 +2991,12 @@
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@@ -2946,25 +3036,19 @@
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-      "integrity": "sha1-mUl2z2pQlqQRYoQEkvC9xdbn+5Y=",
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+      "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.5.1.tgz",
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@@ -3553,35 +3637,63 @@
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+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
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-      "integrity": "sha1-IPI6nJJbdiq4JwX+L52yUqzkfjQ=",
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-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
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+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.1",
+        "escape-html": "~1.0.3",
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-        "on-finished": "2.3.0",
-        "range-parser": "1.2.0",
-        "statuses": "1.3.1"
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+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
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+            "inherits": "2.0.3",
+            "setprototypeof": "1.1.0",
+            "statuses": ">= 1.4.0 < 2"
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+              "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
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+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
+          "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ=="
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-          "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
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@@ -3600,11 +3712,11 @@
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-      "integrity": "sha1-uXN3P2NEmTTaVOW+ul4x2fQhFXc=",
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-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "parseurl": "1.3.2",
+        "encodeurl": "~1.0.1",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.2",
         "send": "0.15.6"
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@@ -3630,9 +3742,9 @@
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-      "integrity": "sha1-ZlZ+NwQ+608E2RvWWMDL77VbjgQ="
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
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       "version": "1.0.0",
@@ -3643,6 +3755,16 @@
         "strip-json-comments": "0.1.3"
       }
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+    "side-channel": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.4.tgz",
+      "integrity": "sha512-q5XPytqFEIKHkGdiMIrY10mvLRvnQh42/+GoBlFW3b2LXLE2xxJpZFdm94we0BaoV3RwJyGqg5wS7epxTv0Zvw==",
+      "requires": {
+        "call-bind": "^1.0.0",
+        "get-intrinsic": "^1.0.2",
+        "object-inspect": "^1.9.0"
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       "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
@@ -3931,9 +4053,9 @@
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+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz",
+      "integrity": "sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ=="
     },
     "string_decoder": {
       "version": "1.0.3",
@@ -4047,6 +4169,11 @@
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+    "toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
+    },
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       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
@@ -4112,12 +4239,27 @@
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+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
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       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "2.1.18"
+        "mime-types": "~2.1.24"
+      },
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+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
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+        },
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+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
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+          "requires": {
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+          }
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@@ -4183,7 +4325,7 @@
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       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
-      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ=="
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@@ -4269,7 +4411,7 @@
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-      "integrity": "sha1-ApT7kiu5N1FTVBxPcJYjHyh8ivg="
+      "integrity": "sha512-HwU9SLQEtyo+0uoKXd1nkLqigUWLB+QuNQR4OcmB73eWqksM5ovuqcycks2x043W8XVb75rG1HQ0h93TMXkzQQ=="
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diff --git a/package.json b/package.json
index d527095..4f6cdf3 100644
--- a/package.json
+++ b/package.json
@@ -33,12 +33,12 @@
     "start": "node app.js"
   },
   "dependencies": {
-    "body-parser": "~1.17.1",
+    "body-parser": "~1.20.1",
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     "cookie-parser": "~1.4.3",
     "cors": "^2.8.3",
     "debug": "~2.6.3",
-    "express": "~4.15.2",
+    "express": "~4.15.5",
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