diff --git a/Web_Service/package-lock.json b/Web_Service/package-lock.json
index 2daff6a..ddd17bd 100644
--- a/Web_Service/package-lock.json
+++ b/Web_Service/package-lock.json
@@ -109,7 +109,7 @@
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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",
@@ -435,11 +435,6 @@
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-    "hoek": {
-      "version": "2.16.3",
-      "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
-    },
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       "resolved": "https://registry.npmjs.org/http-basic/-/http-basic-2.5.1.tgz",
@@ -522,27 +517,11 @@
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       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
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-    "isemail": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/isemail/-/isemail-1.2.0.tgz",
-      "integrity": "sha1-vgPfjMPineTSxd9lASY/H6RZXpo="
-    },
     "isstream": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
       "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
     },
-    "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"
-      }
-    },
     "jsbn": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
@@ -564,15 +543,29 @@
       "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
     },
     "jsonwebtoken": {
-      "version": "7.4.3",
-      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-7.4.3.tgz",
-      "integrity": "sha1-d/UCHeBYtgWheD+hKD6ZgS5kVjg=",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-9.0.0.tgz",
+      "integrity": "sha512-tuGfYXxkQGDPnLJ7SibiQgVgeDgfbPq2k2ICcbgqW8WxWLBAxKQM/ZCu/IT8SOSwmaYl4dpTFCW5xZv7YbbWUw==",
       "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": {
+        "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"
+          }
+        }
       }
     },
     "jsprim": {
@@ -610,10 +603,18 @@
       "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.1.tgz",
       "integrity": "sha512-l3hLhffs9zqoDe8zjmb/mAN4B8VT3L56EUvKNqLFVs9YlFA+zx7ke1DO8STAdDyYNkeSo1nKmjuvQeI12So8Xw=="
     },
-    "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=="
+    },
+    "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"
+      }
     },
     "media-typer": {
       "version": "0.3.0",
@@ -1070,14 +1071,6 @@
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
       "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
     },
-    "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": "2.5.0",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
@@ -1165,10 +1158,10 @@
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       }
     },
-    "xtend": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
-      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ=="
+    "yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
     }
   }
 }
diff --git a/Web_Service/package.json b/Web_Service/package.json
index ee9c72b..9a832cb 100644
--- a/Web_Service/package.json
+++ b/Web_Service/package.json
@@ -18,7 +18,7 @@
     "consolidate": "^0.15.1",
     "express": "^4.8.7",
     "http-proxy": "^1.18.1",
-    "jsonwebtoken": "^7.3.0",
+    "jsonwebtoken": "^9.0.0",
     "moment": "^2.17.1",
     "moment-timezone": "^0.5.13",
     "mongoose": "latest",