diff --git a/package-lock.json b/package-lock.json
index ff189391..ccc97f16 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -302,6 +302,12 @@
         "color-convert": "^1.9.0"
       }
     },
+    "arg": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.0.tgz",
+      "integrity": "sha512-ZWc51jO3qegGkVh8Hwpv636EkbesNV5ZNQPCtRa+0qytRYPEs9IYT9qITY9buezqUH5uqyzlWLcufrzU2rffdg==",
+      "dev": true
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -332,12 +338,6 @@
       "integrity": "sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=",
       "dev": true
     },
-    "arrify": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
-      "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
-      "dev": true
-    },
     "asn1": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
@@ -1656,6 +1656,7 @@
           "resolved": false,
           "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -2719,7 +2720,8 @@
           "version": "1.0.1",
           "resolved": false,
           "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
@@ -4407,27 +4409,16 @@
       "dev": true
     },
     "ts-node": {
-      "version": "7.0.1",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-7.0.1.tgz",
-      "integrity": "sha512-BVwVbPJRspzNh2yfslyT1PSbl5uIk03EZlb493RKHN4qej/D06n1cEhjlOJG69oFsE7OT8XjpTUcYf6pKTLMhw==",
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-8.0.3.tgz",
+      "integrity": "sha512-2qayBA4vdtVRuDo11DEFSsD/SFsBXQBRZZhbRGSIkmYmVkWjULn/GGMdG10KVqkaGndljfaTD8dKjWgcejO8YA==",
       "dev": true,
       "requires": {
-        "arrify": "^1.0.0",
-        "buffer-from": "^1.1.0",
+        "arg": "^4.1.0",
         "diff": "^3.1.0",
         "make-error": "^1.1.1",
-        "minimist": "^1.2.0",
-        "mkdirp": "^0.5.1",
         "source-map-support": "^0.5.6",
-        "yn": "^2.0.0"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-          "dev": true
-        }
+        "yn": "^3.0.0"
       }
     },
     "tslib": {
@@ -4754,9 +4745,9 @@
       }
     },
     "yn": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/yn/-/yn-2.0.0.tgz",
-      "integrity": "sha1-5a2ryKz0CPY4X8dklWhMiOavaJo=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/yn/-/yn-3.0.0.tgz",
+      "integrity": "sha512-+Wo/p5VRfxUgBUGy2j/6KX2mj9AYJWOHuhMjMcbBFc3y54o9/4buK1ksBvuiK01C3kby8DH9lSmJdSxw+4G/2Q==",
       "dev": true
     }
   }
diff --git a/package.json b/package.json
index e0174319..6de0a880 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "mocha-typescript": "^1.1.14",
     "nyc": "^12.0.2",
     "sinon": "^6.0.1",
-    "ts-node": "^7.0.1",
+    "ts-node": "^8.0.3",
     "tslint": "^5.10.0",
     "tslint-config-standard": "^8.0.0",
     "typedoc": "^0.13.0",