diff --git a/package-lock.json b/package-lock.json
index c30c139..b9e8155 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1519,7 +1519,7 @@
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-      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk=",
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       "dev": true
     },
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@@ -5613,12 +5613,6 @@
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-      "resolved": "https://registry.npmjs.org/isemail/-/isemail-1.2.0.tgz",
-      "integrity": "sha1-vgPfjMPineTSxd9lASY/H6RZXpo=",
-      "dev": true
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       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
@@ -5973,18 +5967,6 @@
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       "dev": true
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-      "resolved": "https://registry.npmjs.org/joi/-/joi-6.10.1.tgz",
-      "integrity": "sha1-TVDDGAeRIgAP5fFq8f+OGRe3fgY=",
-      "dev": true,
-      "requires": {
-        "hoek": "2.x.x",
-        "isemail": "1.x.x",
-        "moment": "2.x.x",
-        "topo": "1.x.x"
-      }
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     "jquery": {
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       "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.1.1.tgz",
@@ -6202,16 +6184,53 @@
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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,
       "requires": {
-        "joi": "^6.10.1",
-        "jws": "^3.1.4",
-        "lodash.once": "^4.0.0",
-        "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
+        }
       }
     },
     "jsprim": {
@@ -6833,12 +6852,6 @@
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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
-    },
     "lodash.tail": {
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       "resolved": "https://registry.npmjs.org/lodash.tail/-/lodash.tail-4.1.1.tgz",
@@ -7300,12 +7313,6 @@
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-    "moment": {
-      "version": "2.24.0",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.24.0.tgz",
-      "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg==",
-      "dev": true
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       "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.9.1.tgz",
@@ -10897,15 +10904,6 @@
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       "dev": true
     },
-    "topo": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/topo/-/topo-1.1.0.tgz",
-      "integrity": "sha1-6ddRYV0buH3IZdsYL6HKCl71NtU=",
-      "dev": true,
-      "requires": {
-        "hoek": "2.x.x"
-      }
-    },
     "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 df0ffe5..245ed44 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
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     "jasmine-spec-reporter": "4.2.1",
     "json-server": "0.12.0",
-    "jsonwebtoken": "7.4.1",
+    "jsonwebtoken": "9.0.0",
     "karma": "1.7.1",
     "karma-chrome-launcher": "2.2.0",
     "karma-coverage-istanbul-reporter": "1.4.2",