diff --git a/package-lock.json b/package-lock.json
index 6fec16c..590a04d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -122,6 +122,30 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@tsconfig/node10": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.8.tgz",
+      "integrity": "sha512-6XFfSQmMgq0CFLY1MslA/CPUfhIL919M1rMsa5lP2P097N2Wd1sSX0tx1u4olM16fLNhtHZpRhedZJphNJqmZg==",
+      "dev": true
+    },
+    "@tsconfig/node12": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node12/-/node12-1.0.9.tgz",
+      "integrity": "sha512-/yBMcem+fbvhSREH+s14YJi18sp7J9jpuhYByADT2rypfajMZZN4WQ6zBGgBKp53NKmqI36wFYDb3yaMPurITw==",
+      "dev": true
+    },
+    "@tsconfig/node14": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node14/-/node14-1.0.1.tgz",
+      "integrity": "sha512-509r2+yARFfHHE7T6Puu2jjkoycftovhXRqW328PDXTVGKihlb1P8Z9mMZH04ebyajfRY7dedfGynlrFHJUQCg==",
+      "dev": true
+    },
+    "@tsconfig/node16": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.1.tgz",
+      "integrity": "sha512-FTgBI767POY/lKNDNbIzgAX6miIDBs6NTCbdlDb8TrWovHsSvaVIZDlTqym29C6UqhzwcJx4CYr+AlrMywA0cA==",
+      "dev": true
+    },
     "@types/chai": {
       "version": "4.1.7",
       "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.1.7.tgz",
@@ -170,9 +194,9 @@
       "dev": true
     },
     "arg": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.0.tgz",
-      "integrity": "sha512-ZWc51jO3qegGkVh8Hwpv636EkbesNV5ZNQPCtRa+0qytRYPEs9IYT9qITY9buezqUH5uqyzlWLcufrzU2rffdg==",
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
+      "integrity": "sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==",
       "dev": true
     },
     "argparse": {
@@ -355,6 +379,12 @@
         "safe-buffer": "^5.0.1"
       }
     },
+    "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": "5.1.0",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-5.1.0.tgz",
@@ -903,9 +933,9 @@
       }
     },
     "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
     },
     "map-age-cleaner": {
@@ -1738,9 +1768,9 @@
       "dev": true
     },
     "source-map-support": {
-      "version": "0.5.12",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.12.tgz",
-      "integrity": "sha512-4h2Pbvyy15EE02G+JOZpUCmqWJuqrs+sEkzewTm++BPi7Hvn/HwcqLAcNxYAyI0x13CpPPn+kMjl+hplXMHITQ==",
+      "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",
@@ -1899,16 +1929,29 @@
       "dev": true
     },
     "ts-node": {
-      "version": "8.1.0",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-8.1.0.tgz",
-      "integrity": "sha512-34jpuOrxDuf+O6iW1JpgTRDFynUZ1iEqtYruBqh35gICNjN8x+LpVcPAcwzLPi9VU6mdA3ym+x233nZmZp445A==",
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.1.0.tgz",
+      "integrity": "sha512-6szn3+J9WyG2hE+5W8e0ruZrzyk1uFLYye6IGMBadnOzDh8aP7t8CbFpsfCiEx2+wMixAhjFt7lOZC4+l+WbEA==",
       "dev": true,
       "requires": {
+        "@tsconfig/node10": "^1.0.7",
+        "@tsconfig/node12": "^1.0.7",
+        "@tsconfig/node14": "^1.0.0",
+        "@tsconfig/node16": "^1.0.1",
         "arg": "^4.1.0",
-        "diff": "^3.1.0",
+        "create-require": "^1.1.0",
+        "diff": "^4.0.1",
         "make-error": "^1.1.1",
-        "source-map-support": "^0.5.6",
-        "yn": "^3.0.0"
+        "source-map-support": "^0.5.17",
+        "yn": "3.1.1"
+      },
+      "dependencies": {
+        "diff": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
+          "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
+          "dev": true
+        }
       }
     },
     "type-detect": {
@@ -2081,9 +2124,9 @@
       }
     },
     "yn": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.0.tgz",
-      "integrity": "sha512-kKfnnYkbTfrAdd0xICNFw7Atm8nKpLcLv9AZGEt+kczL/WQVai4e2V6ZN8U/O+iI6WrNuJjNNOyu4zfhl9D3Hg==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
+      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
       "dev": true
     }
   }
diff --git a/package.json b/package.json
index 1eced69..2357c04 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "chai": "^4.2.0",
     "mocha": "^5.2.0",
     "nyc": "^14.1.1",
-    "ts-node": "^8.1.0",
+    "ts-node": "^10.1.0",
     "typescript": "^3.3.3"
   },
   "license": "GNU v3",