diff --git a/package-lock.json b/package-lock.json
index 42ebf42..e2d3134 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1340,34 +1340,11 @@
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@@ -1411,15 +1388,34 @@
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-      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-7.4.3.tgz",
-      "integrity": "sha1-d/UCHeBYtgWheD+hKD6ZgS5kVjg=",
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-        "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"
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+        },
+        "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"
+          }
+        }
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@@ -1444,9 +1440,9 @@
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     },
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-      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.3.0.tgz",
-      "integrity": "sha512-SxObIyzv9a6MYuZYaSN6DhSm9j3+qkokwvCB0/OTSV5ylPq1wUQiygZQcHT5Qlux0I5kmISx3J86TxKhuefItg==",
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
+      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
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@@ -1454,11 +1450,11 @@
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-      "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",
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@@ -1570,6 +1566,14 @@
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     },
+    "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": {
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       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -1621,11 +1625,6 @@
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-      "version": "2.24.0",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.24.0.tgz",
-      "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
-    },
     "ms": {
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       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -2060,21 +2059,6 @@
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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"
-      },
-      "dependencies": {
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-          "version": "2.16.3",
-          "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-          "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
-        }
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     "tough-cookie": {
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@@ -2247,6 +2231,11 @@
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       "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=="
+    },
     "yargs": {
       "version": "3.32.0",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
diff --git a/package.json b/package.json
index 6e93ce1..f3688a9 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "fabric-client": "~1.4.0",
     "fabric-sdk-kvs-vault": "^0.1.0",
     "fs-extra": "^2.0.0",
-    "jsonwebtoken": "^7.3.0",
+    "jsonwebtoken": "^9.0.0",
     "log4js": "^0.6.38"
   }
 }