diff --git a/package-lock.json b/package-lock.json
index f8ac2da..3485fd3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1994,11 +1994,6 @@
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-      "resolved": "https://registry.npmjs.org/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz",
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       "resolved": "https://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz",
@@ -4723,26 +4718,73 @@
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     },
     "jsonwebtoken": {
-      "version": "8.2.1",
-      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-8.2.1.tgz",
-      "integrity": "sha512-l8rUBr0fqYYwPc8/ZGrue7GiW7vWdZtZqelxo4Sd5lMvuEeCK8/wS54sEo6tJhdZ6hqfutsj6COgC0d1XdbHGw==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-9.0.0.tgz",
+      "integrity": "sha512-tuGfYXxkQGDPnLJ7SibiQgVgeDgfbPq2k2ICcbgqW8WxWLBAxKQM/ZCu/IT8SOSwmaYl4dpTFCW5xZv7YbbWUw==",
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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": "^4.0.0",
+        "jws": "^3.2.2",
+        "lodash": "^4.17.21",
         "ms": "^2.1.1",
-        "xtend": "^4.0.1"
+        "semver": "^7.3.8"
       },
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+        "ecdsa-sig-formatter": {
+          "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"
+          }
+        },
+        "jwa": {
+          "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": "1.0.11",
+            "safe-buffer": "^5.0.1"
+          }
+        },
+        "jws": {
+          "version": "3.2.2",
+          "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
+          "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
+          "requires": {
+            "jwa": "^1.4.1",
+            "safe-buffer": "^5.0.1"
+          }
+        },
+        "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": {
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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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@@ -7039,31 +7081,11 @@
         "set-immediate-shim": "^1.0.1"
       }
     },
-    "redis": {
-      "version": "2.8.0",
-      "resolved": "https://registry.npmjs.org/redis/-/redis-2.8.0.tgz",
-      "integrity": "sha512-M1OkonEQwtRmZv4tEWF2VgpG0JWJ8Fv1PhlgT5+B+uNq2cA3Rt1Yt/ryoR+vQNOQcIEgdCdfH0jr3bDpihAw1A==",
-      "requires": {
-        "double-ended-queue": "^2.1.0-0",
-        "redis-commands": "^1.2.0",
-        "redis-parser": "^2.6.0"
-      }
-    },
-    "redis-commands": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.4.0.tgz",
-      "integrity": "sha512-cu8EF+MtkwI4DLIT0x9P8qNTLFhQD4jLfxLR0cCNkeGzs87FN6879JOJwNQR/1zD7aSYNbU0hgsV9zGY71Itvw=="
-    },
     "redis-errors": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/redis-errors/-/redis-errors-1.2.0.tgz",
       "integrity": "sha1-62LSrbFeTq9GEMBK/hUpOEJQq60="
     },
-    "redis-parser": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-2.6.0.tgz",
-      "integrity": "sha1-Uu0J2srBCPGmMcB+m2mUHnoZUEs="
-    },
     "referrer-policy": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/referrer-policy/-/referrer-policy-1.1.0.tgz",
@@ -8296,7 +8318,7 @@
       "dependencies": {
         "async": {
           "version": "1.0.0",
-          "resolved": "http://registry.npmjs.org/async/-/async-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
           "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k="
         }
       }
diff --git a/package.json b/package.json
index a565119..db04e0b 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "firebase-admin": "5.12.1",
     "helmet": "3.12.1",
     "ioredis": "^4.10.0",
-    "jsonwebtoken": "8.2.1",
+    "jsonwebtoken": "9.0.0",
     "lodash": "^4.17.11",
     "mocha": "^5.2.0",
     "mongoose": "^5.4.20",