diff --git a/package-lock.json b/package-lock.json
index 0998f64..1dfda70 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -814,6 +814,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
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@@ -1314,12 +1315,6 @@
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@@ -1668,7 +1663,7 @@
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-      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk=",
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@@ -3016,13 +3011,12 @@
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-      "integrity": "sha1-S8kmJ07Dtau1AW5+HWCSGsJisqE=",
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-        "safe-buffer": "5.1.1"
+        "safe-buffer": "^5.0.1"
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@@ -3899,7 +3893,8 @@
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@@ -3920,12 +3915,14 @@
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@@ -3940,17 +3937,20 @@
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-          "dev": true
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+          "dev": true,
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-          "dev": true
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@@ -4067,7 +4067,8 @@
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-          "dev": true
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@@ -4079,6 +4080,7 @@
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@@ -4093,6 +4095,7 @@
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@@ -4100,12 +4103,14 @@
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-          "dev": true
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+          "optional": true
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@@ -4124,6 +4129,7 @@
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@@ -4204,7 +4210,8 @@
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           "version": "1.0.1",
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-          "dev": true
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@@ -4216,6 +4223,7 @@
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@@ -4301,7 +4309,8 @@
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@@ -4337,6 +4346,7 @@
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@@ -4356,6 +4366,7 @@
           "version": "3.0.1",
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           "dev": true,
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@@ -4399,12 +4410,14 @@
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           "version": "1.0.2",
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-          "dev": true
+          "dev": true,
+          "optional": true
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         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
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@@ -5879,12 +5892,6 @@
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-      "integrity": "sha1-vgPfjMPineTSxd9lASY/H6RZXpo=",
-      "dev": true
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@@ -6349,18 +6356,6 @@
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-      "resolved": "https://registry.npmjs.org/joi/-/joi-6.10.1.tgz",
-      "integrity": "sha1-TVDDGAeRIgAP5fFq8f+OGRe3fgY=",
-      "dev": true,
-      "requires": {
-        "hoek": "2.16.3",
-        "isemail": "1.2.0",
-        "moment": "2.21.0",
-        "topo": "1.1.0"
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       "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.1.1.tgz",
@@ -6585,16 +6580,53 @@
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-      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-7.4.1.tgz",
-      "integrity": "sha1-fKMk9SFfi+A5zTWmxFu4y3SkSPs=",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-9.0.0.tgz",
+      "integrity": "sha512-tuGfYXxkQGDPnLJ7SibiQgVgeDgfbPq2k2ICcbgqW8WxWLBAxKQM/ZCu/IT8SOSwmaYl4dpTFCW5xZv7YbbWUw==",
       "dev": true,
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-        "jws": "3.1.4",
-        "lodash.once": "4.1.1",
-        "ms": "2.0.0",
-        "xtend": "4.0.1"
+        "jws": "^3.2.2",
+        "lodash": "^4.17.21",
+        "ms": "^2.1.1",
+        "semver": "^7.3.8"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+          "dev": true
+        },
+        "lru-cache": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+          "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+          "dev": true,
+          "requires": {
+            "yallist": "^4.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+          "dev": true
+        },
+        "semver": {
+          "version": "7.3.8",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.8.tgz",
+          "integrity": "sha512-NB1ctGL5rlHrPJtFDVIVzTyQylMLu9N9VICA6HSFJo8MCGVTMW6gfpicwKmmK/dAjTOrqu5l63JJOpDSrAis3A==",
+          "dev": true,
+          "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==",
+          "dev": true
+        }
       }
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     "jsprim": {
@@ -6671,26 +6703,24 @@
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-      "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==",
       "dev": true,
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-        "base64url": "2.0.0",
         "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==",
       "dev": true,
       "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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     "karma": {
@@ -6948,7 +6978,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -7150,12 +7181,6 @@
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       "dev": true
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-    "lodash.once": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
-      "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w=",
-      "dev": true
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       "resolved": "https://registry.npmjs.org/lodash.tail/-/lodash.tail-4.1.1.tgz",
@@ -7227,7 +7252,8 @@
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       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
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     "loose-envify": {
       "version": "1.3.1",
@@ -7571,12 +7597,6 @@
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-      "version": "2.21.0",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.21.0.tgz",
-      "integrity": "sha512-TCZ36BjURTeFTM/CwRcViQlfkMvL1/vFISuNLO5GkcVm1+QHfbSiNqZuWeMFjj1/3+uAjXswgRk30j1kkLYJBQ==",
-      "dev": true
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       "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.9.0.tgz",
@@ -10552,15 +10572,6 @@
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-    "topo": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/topo/-/topo-1.1.0.tgz",
-      "integrity": "sha1-6ddRYV0buH3IZdsYL6HKCl71NtU=",
-      "dev": true,
-      "requires": {
-        "hoek": "2.16.3"
-      }
-    },
     "toposort": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/toposort/-/toposort-1.0.7.tgz",
diff --git a/package.json b/package.json
index ea352a7..7a7afc7 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "ts-node": "5.0.1",
     "tslint": "5.9.1",
     "json-server": "0.12.0",
-    "jsonwebtoken": "7.4.1",
+    "jsonwebtoken": "9.0.0",
     "typescript": "2.7.2",
     "webdriver-manager": "12.0.6"
   }