diff --git a/server/package-lock.json b/server/package-lock.json
index febc1e4..8031ccd 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -414,7 +414,7 @@
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       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
-      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
+      "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA=="
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@@ -2478,11 +2478,6 @@
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-      "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
-    },
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@@ -2844,11 +2839,6 @@
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       "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
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-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/isemail/-/isemail-1.2.0.tgz",
-      "integrity": "sha1-vgPfjMPineTSxd9lASY/H6RZXpo="
-    },
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       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
@@ -2861,17 +2851,6 @@
       "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
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-    "joi": {
-      "version": "6.10.1",
-      "resolved": "https://registry.npmjs.org/joi/-/joi-6.10.1.tgz",
-      "integrity": "sha1-TVDDGAeRIgAP5fFq8f+OGRe3fgY=",
-      "requires": {
-        "hoek": "2.x.x",
-        "isemail": "1.x.x",
-        "moment": "2.x.x",
-        "topo": "1.x.x"
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       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz",
@@ -2915,15 +2894,47 @@
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-      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-7.4.2.tgz",
-      "integrity": "sha1-VxuQPAfodcD8WSA9GseGZ9gOCc0=",
-      "requires": {
-        "joi": "^6.10.1",
-        "jws": "^3.1.4",
-        "lodash.once": "^4.0.0",
-        "ms": "^2.0.0",
-        "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": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+        },
+        "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==",
+          "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=="
+        },
+        "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=="
+        }
       }
     },
     "jsx-ast-utils": {
@@ -3015,11 +3026,6 @@
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       "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
     },
-    "lodash.once": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
-      "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
-    },
     "log4js": {
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       "resolved": "https://registry.npmjs.org/log4js/-/log4js-4.1.0.tgz",
@@ -4742,14 +4748,6 @@
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-    "topo": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/topo/-/topo-1.1.0.tgz",
-      "integrity": "sha1-6ddRYV0buH3IZdsYL6HKCl71NtU=",
-      "requires": {
-        "hoek": "2.x.x"
-      }
-    },
     "toposort-class": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toposort-class/-/toposort-class-1.0.1.tgz",
diff --git a/server/package.json b/server/package.json
index 98c98d9..c766458 100644
--- a/server/package.json
+++ b/server/package.json
@@ -20,7 +20,7 @@
     "cors": "2.8.4",
     "dotenv": "^8.2.0",
     "express": "4.16.3",
-    "jsonwebtoken": "7.4.2",
+    "jsonwebtoken": "9.0.0",
     "log4js": "4.1.0",
     "multer": "1.4.1",
     "mysql": "2.14.1",