diff --git a/package-lock.json b/package-lock.json
index b76c068..d9b1959 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3424,19 +3424,9 @@
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     },
     "flat": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/flat/-/flat-4.1.0.tgz",
-      "integrity": "sha512-Px/TiLIznH7gEDlPXcUD4KnBusa6kR6ayRUVcnEAbreRIuhkqow/mun59BuRXwoYk7ZQOLW1ZM05ilIvK38hFw==",
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-        "is-buffer": "~2.0.3"
-      },
-      "dependencies": {
-        "is-buffer": {
-          "version": "2.0.3",
-          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.3.tgz",
-          "integrity": "sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw=="
-        }
-      }
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.1.tgz",
+      "integrity": "sha512-DUYDWLlMhV9qvhjbgmhDQ3ZycXmoOKzrj4KN0+5BEat5SqTlXcXzxNgwiSN1UQHA5Z0BsgYYPelhQHVhpfqaVA=="
     },
     "follow-redirects": {
       "version": "1.7.0",
@@ -10310,9 +10300,9 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
     "typescript": {
-      "version": "2.9.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.9.2.tgz",
-      "integrity": "sha512-Gr4p6nFNaoufRIY4NMdpQRNmgxVIGMs4Fcu/ujdYk3nAZqk7supzBE9idmvfZIlH/Cuj//dvi+019qEue9lV0w==",
+      "version": "3.9.10",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
+      "integrity": "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 99589ce..f34811a 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "express-jwt": "^5.3.0",
     "fabric-ca-client": "1.3.x",
     "fabric-client": "^1.4.4",
-    "flat": "^4.1.0",
+    "flat": "^5.0.1",
     "jwks-rsa": "^1.2.1",
     "jwt-decode": "^2.2.0",
     "object-hash": "^1.2.0",