diff --git a/package-lock.json b/package-lock.json
index a2c0b77..2f993de 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,6 +23,7 @@
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       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-2.1.1.tgz",
       "integrity": "sha1-1t4Q1a9hMtW9aSQn1G/FOFOQlMc=",
+      "optional": true,
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@@ -31,7 +32,8 @@
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           "resolved": "https://registry.npmjs.org/semver/-/semver-5.0.3.tgz",
-          "integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no="
+          "integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no=",
+          "optional": true
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@@ -62,7 +64,8 @@
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-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "optional": true
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@@ -120,11 +123,6 @@
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-      "resolved": "https://registry.npmjs.org/base64url/-/base64url-2.0.0.tgz",
-      "integrity": "sha1-6sFuA+oUOO/5Qj1puqNiYu0fcLs="
-    },
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@@ -220,12 +218,13 @@
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-      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
+      "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA=="
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       "resolved": "https://registry.npmjs.org/buffer-more-ints/-/buffer-more-ints-0.0.2.tgz",
-      "integrity": "sha1-JrOIXRD6E9t/wBquOquHAZngEkw="
+      "integrity": "sha1-JrOIXRD6E9t/wBquOquHAZngEkw=",
+      "optional": true
     },
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@@ -412,11 +411,10 @@
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-      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.9.tgz",
-      "integrity": "sha1-S8kmJ07Dtau1AW5+HWCSGsJisqE=",
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
+      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
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@@ -457,7 +455,8 @@
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-      "integrity": "sha1-/cpRzuYTOJXjyI1TXOSdv/YqRjM="
+      "integrity": "sha1-/cpRzuYTOJXjyI1TXOSdv/YqRjM=",
+      "optional": true
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@@ -526,13 +525,13 @@
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-      "resolved": "https://registry.npmjs.org/express-jwt/-/express-jwt-5.3.0.tgz",
-      "integrity": "sha1-PZDNZYAuYzYlLxnmo98+FJ4MXqA=",
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/express-jwt/-/express-jwt-5.3.1.tgz",
+      "integrity": "sha512-1C9RNq0wMp/JvsH/qZMlg3SIPvKu14YkZ4YYv7gJQ1Vq+Dv8LH9tLKenS5vMNth45gTlEUGx+ycp9IHIlaHP/g==",
       "requires": {
         "async": "^1.5.0",
         "express-unless": "^0.3.0",
-        "jsonwebtoken": "^7.3.0",
+        "jsonwebtoken": "^8.1.0",
         "lodash.set": "^4.0.0"
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@@ -767,7 +766,8 @@
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-      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
+      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+      "optional": true
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@@ -791,6 +791,7 @@
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       "integrity": "sha1-zBzjjkU7+YSg93AtLdWcc9CBKEo=",
+      "optional": true,
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@@ -811,6 +812,7 @@
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       "integrity": "sha1-rQFScUOi6Hc8+uapb1hla7UqNLI=",
+      "optional": true,
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@@ -819,19 +821,22 @@
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-          "integrity": "sha1-a7rwh3UA02vjTsqlhODbn+8DUgk="
+          "integrity": "sha1-a7rwh3UA02vjTsqlhODbn+8DUgk=",
+          "optional": true
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       "resolved": "https://registry.npmjs.org/httpreq/-/httpreq-0.4.24.tgz",
-      "integrity": "sha1-QzX/2CzZaWaKOUZckprGHWOTYn8="
+      "integrity": "sha1-QzX/2CzZaWaKOUZckprGHWOTYn8=",
+      "optional": true
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       "integrity": "sha1-NffabEjOTdv6JkiRrFk+5f+GceY=",
+      "optional": true,
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@@ -907,27 +912,11 @@
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-      "resolved": "https://registry.npmjs.org/isemail/-/isemail-1.2.0.tgz",
-      "integrity": "sha1-vgPfjMPineTSxd9lASY/H6RZXpo="
-    },
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       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
       "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
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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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@@ -956,15 +945,27 @@
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-      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-7.4.3.tgz",
-      "integrity": "sha1-d/UCHeBYtgWheD+hKD6ZgS5kVjg=",
-      "requires": {
-        "joi": "^6.10.1",
-        "jws": "^3.1.4",
+      "version": "8.5.1",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-8.5.1.tgz",
+      "integrity": "sha512-XjwVfRS6jTMsqYs0EsuJ4LGxXV14zQybNd4L2r0UvbVnSF9Af8x7p5MzbJ90Ioz/9TI41/hTCvznF/loiSzn8w==",
+      "requires": {
+        "jws": "^3.2.2",
+        "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",
-        "ms": "^2.0.0",
-        "xtend": "^4.0.1"
+        "ms": "^2.1.1",
+        "semver": "^5.6.0"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
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+        }
       }
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@@ -979,23 +980,21 @@
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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==",
       "requires": {
-        "base64url": "2.0.0",
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-        "ecdsa-sig-formatter": "1.0.9",
+        "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==",
       "requires": {
-        "base64url": "^2.0.0",
-        "jwa": "^1.1.4",
+        "jwa": "^1.4.1",
         "safe-buffer": "^5.0.1"
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@@ -1012,12 +1011,14 @@
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-      "integrity": "sha1-YjUag5VjrF/1vSbxL2Dpgwu3UeY="
+      "integrity": "sha1-YjUag5VjrF/1vSbxL2Dpgwu3UeY=",
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       "integrity": "sha1-UaGp50SOy9Ms2lRCFnW7IbwJPaY=",
+      "optional": true,
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@@ -1027,14 +1028,16 @@
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-          "integrity": "sha1-/iZaIYrGpXz+hUkn6dBMGYJe3es="
+          "integrity": "sha1-/iZaIYrGpXz+hUkn6dBMGYJe3es=",
+          "optional": true
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-      "integrity": "sha1-9ebgatdLeU+1tbZpiL9yjvHe2+g="
+      "integrity": "sha1-9ebgatdLeU+1tbZpiL9yjvHe2+g=",
+      "optional": true
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@@ -1042,10 +1045,40 @@
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       "optional": true
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+    "lodash.includes": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz",
+      "integrity": "sha512-W3Bx6mdkRTGtlJISOvVD/lbqjTlPPUDTMnlXZFnVwi9NKJ6tiAk6LVdlhZMm17VZisqhKcgzpO5Wz91PCt5b0w=="
+    },
+    "lodash.isboolean": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz",
+      "integrity": "sha512-Bz5mupy2SVbPHURB98VAcw+aHh4vRV5IPNhILUCsOzRmsTmSQ17jIuqopAentWoehktxGd9e/hbIXq980/1QJg=="
+    },
+    "lodash.isinteger": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz",
+      "integrity": "sha512-DBwtEWN2caHQ9/imiNeEA5ys1JoRtRfY3d7V9wkqtbycnAmTvRRmbHKDV4a0EYc678/dia0jrte4tjYwVBaZUA=="
+    },
+    "lodash.isnumber": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz",
+      "integrity": "sha512-QYqzpfwO3/CWf3XP+Z+tkQsfaLL/EnUlXWVkIk5FUPc4sBdTehEqZONuyRt2P67PXAk+NXmTBcc97zw9t1FQrw=="
+    },
+    "lodash.isplainobject": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
+      "integrity": "sha512-oSXzaWypCMHkPC3NvBEaPHf0KsA5mvPrOPgQWDsbg8n7orZ290M0BmC/jgRZ4vcJ6DTAhjrsSYgdsW/F+MFOBA=="
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+    "lodash.isstring": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz",
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       "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
-      "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
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@@ -1109,6 +1142,7 @@
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           "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
+          "optional": true,
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@@ -1348,11 +1382,6 @@
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-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.20.1.tgz",
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@@ -1455,12 +1484,14 @@
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-      "integrity": "sha1-ecSQihwPXzdbc/6IjamCj23JY6Q="
+      "integrity": "sha1-ecSQihwPXzdbc/6IjamCj23JY6Q=",
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       "integrity": "sha1-z1mU4v0mjQD1zw+nZ6CBae2wfsA=",
+      "optional": true,
       "requires": {
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@@ -1490,7 +1521,8 @@
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-      "integrity": "sha1-WG24EB2zDLRDjrVGc3pBqtDPE9U="
+      "integrity": "sha1-WG24EB2zDLRDjrVGc3pBqtDPE9U=",
+      "optional": true
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@@ -1607,7 +1639,8 @@
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-      "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ="
+      "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=",
+      "optional": true
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     "process-nextick-args": {
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@@ -1753,9 +1786,9 @@
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-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
-      "integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA=="
+      "version": "5.7.2",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
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@@ -1812,12 +1845,14 @@
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-      "integrity": "sha1-fxFLW2X6s+KjWqd1uxLw0cZJvxY="
+      "integrity": "sha1-fxFLW2X6s+KjWqd1uxLw0cZJvxY=",
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       "integrity": "sha1-1275EnyyPCJZ7bHoNJwujV4tdME=",
+      "optional": true,
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@@ -1842,6 +1877,7 @@
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       "integrity": "sha1-W4t/x8jzQcU+0FbpKbe/Tei6e1o=",
+      "optional": true,
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@@ -1850,7 +1886,8 @@
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           "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.5.tgz",
-          "integrity": "sha1-vd7XARQpCCjAoDnnLvJfWq7ENUo="
+          "integrity": "sha1-vd7XARQpCCjAoDnnLvJfWq7ENUo=",
+          "optional": true
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@@ -1858,6 +1895,7 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/socks-proxy-agent/-/socks-proxy-agent-2.1.1.tgz",
       "integrity": "sha512-sFtmYqdUK5dAMh85H0LEVFUCO7OhJJe1/z2x/Z6mxp3s7/QPf1RkZmpZy+BpuU0bEjcV9npqKjq9Y3kwFUjnxw==",
+      "optional": true,
       "requires": {
         "agent-base": "2",
         "extend": "3",
@@ -1986,14 +2024,6 @@
       "integrity": "sha1-SQLOBAvRPYRcj1myfp1ZutbzmSk=",
       "optional": true
     },
-    "topo": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/topo/-/topo-1.1.0.tgz",
-      "integrity": "sha1-6ddRYV0buH3IZdsYL6HKCl71NtU=",
-      "requires": {
-        "hoek": "2.x.x"
-      }
-    },
     "tough-cookie": {
       "version": "2.3.4",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
@@ -2026,6 +2056,7 @@
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+      "optional": true,
       "requires": {
         "prelude-ls": "~1.1.2"
       }
@@ -2100,7 +2131,8 @@
     "xtend": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+      "optional": true
     }
   }
 }
diff --git a/package.json b/package.json
index cc2e161..cac2ffd 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "dependencies": {
     "body-parser": "^1.18.2",
     "express": "^4.16.2",
-    "express-jwt": "^5.3.0",
+    "express-jwt": "^5.3.1",
     "log4js": "^2.5.3",
     "mysql": "^2.15.0",
     "request": "^2.83.0",