diff --git a/package-lock.json b/package-lock.json
index f53c700..eb4dff7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -121,9 +121,9 @@
       "dev": true
     },
     "arg": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.2.tgz",
-      "integrity": "sha512-+ytCkGcBtHZ3V2r2Z06AncYO8jz46UEamcspGoU8lHcEbpn6J77QK0vdWvChsclg/tM5XIJC5tnjmPp7Eq6Obg==",
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
+      "integrity": "sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==",
       "dev": true
     },
     "argparse": {
@@ -752,6 +752,12 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
       "dev": true
     },
+    "create-require": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz",
+      "integrity": "sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==",
+      "dev": true
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -2926,9 +2932,9 @@
       }
     },
     "make-error": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.5.tgz",
-      "integrity": "sha512-c3sIjNUow0+8swNwVpqoH4YCShKNFkMaw6oH1mNS2haDZQqkeZFlHS3dhoeEbKKmJB4vXpJucU6oH75aDYeE9g==",
+      "version": "1.3.6",
+      "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.6.tgz",
+      "integrity": "sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==",
       "dev": true
     },
     "make-iterator": {
@@ -4341,9 +4347,9 @@
       }
     },
     "source-map-support": {
-      "version": "0.5.16",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.16.tgz",
-      "integrity": "sha512-efyLRJDr68D9hBBNIPWFjhpFzURh+KJykQwvMyW5UiZzYwoF6l4YMMDIJJEyFWxWCqfyxLzz6tSfUFR+kXXsVQ==",
+      "version": "0.5.19",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.19.tgz",
+      "integrity": "sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==",
       "dev": true,
       "requires": {
         "buffer-from": "^1.0.0",
@@ -4706,15 +4712,16 @@
       }
     },
     "ts-node": {
-      "version": "8.6.2",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-8.6.2.tgz",
-      "integrity": "sha512-4mZEbofxGqLL2RImpe3zMJukvEvcO1XP8bj8ozBPySdCUXEcU5cIRwR0aM3R+VoZq7iXc8N86NC0FspGRqP4gg==",
+      "version": "9.1.1",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-9.1.1.tgz",
+      "integrity": "sha512-hPlt7ZACERQGf03M253ytLY3dHbGNGrAq9qIHWUY9XHYl1z7wYngSr3OQ5xmui8o2AaxsONxIzjafLUiWBo1Fg==",
       "dev": true,
       "requires": {
         "arg": "^4.1.0",
+        "create-require": "^1.1.0",
         "diff": "^4.0.1",
         "make-error": "^1.1.1",
-        "source-map-support": "^0.5.6",
+        "source-map-support": "^0.5.17",
         "yn": "3.1.1"
       },
       "dependencies": {
diff --git a/package.json b/package.json
index 6f2db32..1675e35 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "mocha": "^7.0",
     "mocha-typescript": "^1.1",
     "tjson-js": "^0.1",
-    "ts-node": "^8.3",
+    "ts-node": "^9.1",
     "typescript": "^3.0"
   },
   "dependencies": {}