diff --git a/server/package-lock.json b/server/package-lock.json
index a3b64f1..bec15ec 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -878,7 +878,7 @@
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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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       "version": "1.1.1",
@@ -1365,9 +1365,9 @@
       "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI="
     },
     "ecdsa-sig-formatter": {
-      "version": "1.0.10",
-      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.10.tgz",
-      "integrity": "sha1-HFlQAPBKiJffuFAAiSoPTDOvhsM=",
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
+      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
       "requires": {
         "safe-buffer": "^5.0.1"
       }
@@ -2615,38 +2615,50 @@
       }
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     "jsonwebtoken": {
-      "version": "8.2.0",
-      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-8.2.0.tgz",
-      "integrity": "sha512-1Wxh8ADP3cNyPl8tZ95WtraHXCAyXupgc0AhMHjU9er98BV+UcKsO7OJUjfhIu0Uba9A40n1oSx8dbJYrm+EoQ==",
-      "requires": {
-        "jws": "^3.1.4",
-        "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": "^4.0.0",
+      "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",
-        "xtend": "^4.0.1"
+        "semver": "^7.3.8"
+      },
+      "dependencies": {
+        "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"
+          }
+        },
+        "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"
+          }
+        }
       }
     },
     "jwa": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.2.0.tgz",
-      "integrity": "sha512-Grku9ZST5NNQ3hqNUodSkDfEBqAmGA1R8yiyPHOnLzEKI0GaCQC/XhFmsheXYuXzFQJdILbh+lYBiliqG5R/Vg==",
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
+      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
       "requires": {
         "buffer-equal-constant-time": "1.0.1",
-        "ecdsa-sig-formatter": "1.0.10",
+        "ecdsa-sig-formatter": "1.0.11",
         "safe-buffer": "^5.0.1"
       }
     },
     "jws": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.1.tgz",
-      "integrity": "sha512-bGA2omSrFUkd72dhh05bIAN832znP4wOU3lfuXtRBuGTbsmNmDXMQg28f0Vsxaxgk4myF5YkKQpz6qeRpMgX9g==",
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
+      "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
       "requires": {
-        "jwa": "^1.2.0",
+        "jwa": "^1.4.1",
         "safe-buffer": "^5.0.1"
       }
     },
@@ -2814,40 +2826,10 @@
         "path-exists": "^3.0.0"
       }
     },
-    "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="
+    "lodash": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lowercase-keys": {
       "version": "1.0.1",
@@ -4653,6 +4635,11 @@
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
       "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE="
     },
+    "yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+    },
     "yargonaut": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/yargonaut/-/yargonaut-1.1.4.tgz",
diff --git a/server/package.json b/server/package.json
index e1163f8..408cccc 100644
--- a/server/package.json
+++ b/server/package.json
@@ -21,7 +21,7 @@
     "@types/mocha": "^2.2.48",
     "@types/socket.io": "^1.4.32",
     "bcrypt": "^3.0.4",
-    "jsonwebtoken": "^8.2.0",
+    "jsonwebtoken": "^9.0.0",
     "kcors": "^2.2.1",
     "koa": "^2.5.0",
     "koa-bodyparser": "^4.2.0",