diff --git a/package-lock.json b/package-lock.json
index b18d269..dfedbec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -433,11 +433,6 @@
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-      "integrity": "sha1-6sFuA+oUOO/5Qj1puqNiYu0fcLs="
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@@ -521,7 +516,7 @@
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-      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
+      "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA=="
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@@ -1031,12 +1026,11 @@
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-      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.9.tgz",
-      "integrity": "sha1-S8kmJ07Dtau1AW5+HWCSGsJisqE=",
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
+      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
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-        "safe-buffer": "5.1.1"
+        "safe-buffer": "^5.0.1"
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@@ -1351,7 +1345,8 @@
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@@ -1402,7 +1397,8 @@
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-          "dev": true
+          "dev": true,
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@@ -1417,6 +1413,7 @@
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@@ -1425,6 +1422,7 @@
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@@ -1433,6 +1431,7 @@
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@@ -1441,7 +1440,8 @@
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@@ -1458,12 +1458,14 @@
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+          "optional": true
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           "bundled": true,
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@@ -1471,22 +1473,26 @@
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@@ -1526,7 +1532,8 @@
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@@ -1558,7 +1565,8 @@
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@@ -1580,12 +1588,14 @@
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           "bundled": true,
           "dev": true,
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@@ -1641,6 +1651,7 @@
           "version": "7.1.2",
           "bundled": true,
           "dev": true,
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@@ -1653,7 +1664,8 @@
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-          "dev": true
+          "dev": true,
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@@ -1681,6 +1693,7 @@
           "version": "3.1.3",
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@@ -1691,7 +1704,8 @@
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@@ -1708,6 +1722,7 @@
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@@ -1716,7 +1731,8 @@
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@@ -1728,6 +1744,7 @@
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@@ -1741,7 +1758,8 @@
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@@ -1761,7 +1779,8 @@
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@@ -1813,12 +1832,14 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "2.1.15",
           "bundled": true,
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@@ -1827,6 +1848,7 @@
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@@ -1834,12 +1856,14 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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         "mkdirp": {
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+          "optional": true,
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@@ -1894,7 +1918,8 @@
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@@ -1912,6 +1937,7 @@
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+          "optional": true,
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@@ -1941,7 +1967,8 @@
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@@ -1952,7 +1979,8 @@
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@@ -1990,6 +2018,7 @@
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+          "optional": true,
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@@ -2034,6 +2063,7 @@
           "version": "2.6.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2041,7 +2071,8 @@
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           "version": "5.0.1",
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-          "dev": true
+          "dev": true,
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@@ -2065,6 +2096,7 @@
           "version": "1.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2098,6 +2130,7 @@
           "version": "1.0.2",
           "bundled": true,
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+          "optional": true,
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@@ -2108,6 +2141,7 @@
           "version": "1.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2122,6 +2156,7 @@
           "version": "3.0.1",
           "bundled": true,
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@@ -2136,6 +2171,7 @@
           "version": "2.2.1",
           "bundled": true,
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+          "optional": true,
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@@ -2191,7 +2227,8 @@
         "util-deprecate": {
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-          "dev": true
+          "dev": true,
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@@ -2220,7 +2257,8 @@
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           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -2744,48 +2782,66 @@
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-      "requires": {
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-        "lodash.includes": "4.3.0",
-        "lodash.isboolean": "3.0.3",
-        "lodash.isinteger": "4.0.4",
-        "lodash.isnumber": "3.0.3",
-        "lodash.isplainobject": "4.0.6",
-        "lodash.isstring": "4.0.1",
-        "lodash.once": "4.1.1",
-        "ms": "2.1.1",
-        "xtend": "4.0.1"
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-9.0.0.tgz",
+      "integrity": "sha512-tuGfYXxkQGDPnLJ7SibiQgVgeDgfbPq2k2ICcbgqW8WxWLBAxKQM/ZCu/IT8SOSwmaYl4dpTFCW5xZv7YbbWUw==",
+      "requires": {
+        "jws": "^3.2.2",
+        "lodash": "^4.17.21",
+        "ms": "^2.1.1",
+        "semver": "^7.3.8"
       },
       "dependencies": {
+        "lodash": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
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+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
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+          "requires": {
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+          }
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-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
-          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        },
+        "semver": {
+          "version": "7.3.8",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.8.tgz",
+          "integrity": "sha512-NB1ctGL5rlHrPJtFDVIVzTyQylMLu9N9VICA6HSFJo8MCGVTMW6gfpicwKmmK/dAjTOrqu5l63JJOpDSrAis3A==",
+          "requires": {
+            "lru-cache": "^6.0.0"
+          }
+        },
+        "yallist": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+          "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
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     "jwa": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.1.5.tgz",
-      "integrity": "sha1-oFUs4CIHQs1S4VN3SjKQXDDnVuU=",
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
+      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
       "requires": {
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         "buffer-equal-constant-time": "1.0.1",
-        "ecdsa-sig-formatter": "1.0.9",
-        "safe-buffer": "5.1.1"
+        "ecdsa-sig-formatter": "1.0.11",
+        "safe-buffer": "^5.0.1"
       }
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     "jws": {
-      "version": "3.1.4",
-      "resolved": "https://registry.npmjs.org/jws/-/jws-3.1.4.tgz",
-      "integrity": "sha1-+ei5M46KhHJ31kRLFGT2GIDgUKI=",
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
+      "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
       "requires": {
-        "base64url": "2.0.0",
-        "jwa": "1.1.5",
-        "safe-buffer": "5.1.1"
+        "jwa": "^1.4.1",
+        "safe-buffer": "^5.0.1"
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@@ -2821,41 +2877,6 @@
       "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
       "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk="
     },
-    "lodash.includes": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz",
-      "integrity": "sha1-YLuYqHy5I8aMoeUTJUgzFISfVT8="
-    },
-    "lodash.isboolean": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz",
-      "integrity": "sha1-bC4XHbKiV82WgC/UOwGyDV9YcPY="
-    },
-    "lodash.isinteger": {
-      "version": "4.0.4",
-      "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz",
-      "integrity": "sha1-YZwK89A/iwTDH1iChAt3sRzWg0M="
-    },
-    "lodash.isnumber": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz",
-      "integrity": "sha1-POdoEMWSjQM1IwGsKHMX8RwLH/w="
-    },
-    "lodash.isplainobject": {
-      "version": "4.0.6",
-      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
-      "integrity": "sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs="
-    },
-    "lodash.isstring": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz",
-      "integrity": "sha1-1SfftUVuynzJu5XV2ur4i6VKVFE="
-    },
-    "lodash.once": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
-      "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
-    },
     "lowercase-keys": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.0.tgz",
@@ -4488,11 +4509,6 @@
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       "dev": true
     },
-    "xtend": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
-    },
     "yallist": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
diff --git a/package.json b/package.json
index 83c34f5..5264f02 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "body-parser": "^1.18.2",
     "crypto-js": "^3.1.9-1",
     "express": "^4.16.2",
-    "jsonwebtoken": "^8.2.0",
+    "jsonwebtoken": "^9.0.0",
     "lodash": "^4.17.5",
     "mongodb": "^3.0.4",
     "mongoose": "^5.0.9",