diff --git a/package-lock.json b/package-lock.json
index a26d405..e3a86ac 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -105,6 +105,12 @@
         "normalize-path": "^2.0.0"
       }
     },
+    "arg": {
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
+      "integrity": "sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==",
+      "dev": true
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -1799,9 +1805,9 @@
       }
     },
     "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-obj": {
@@ -2388,9 +2394,9 @@
       }
     },
     "source-map-support": {
-      "version": "0.5.10",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.10.tgz",
-      "integrity": "sha512-YfQ3tQFTK/yzlGJuX8pTwa4tifQj4QS2Mj7UegOu8jAz59MqIiMGPXxQhVQiIMNzayuUSF/jEuVnfFF5JqybmQ==",
+      "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",
@@ -2558,16 +2564,24 @@
       "dev": true
     },
     "ts-node": {
-      "version": "8.0.0",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-8.0.0.tgz",
-      "integrity": "sha512-TaTyUnbnTXYwnO3Vt96DFa4E4rbYAskzelqorcCDp0l8lW6g833Us9wWqPuTClsnI4WH/KYVMbmgfecLvjrT1Q==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-9.0.0.tgz",
+      "integrity": "sha512-/TqB4SnererCDR/vb4S/QvSZvzQMJN8daAslg7MeaiHvD8rDZsSfXmNeNumyZZzMned72Xoq/isQljYSt8Ynfg==",
       "dev": true,
       "requires": {
-        "arrify": "^1.0.0",
-        "diff": "^3.1.0",
+        "arg": "^4.1.0",
+        "diff": "^4.0.1",
         "make-error": "^1.1.1",
-        "source-map-support": "^0.5.6",
-        "yn": "^2.0.0"
+        "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
+        }
       }
     },
     "tslib": {
@@ -2698,9 +2712,9 @@
       }
     },
     "yn": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/yn/-/yn-2.0.0.tgz",
-      "integrity": "sha1-5a2ryKz0CPY4X8dklWhMiOavaJo=",
+      "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 48a6e68..79edded 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "conventional-changelog-cli": "^2.0.0",
     "jasmine": "^3.1.0",
     "rimraf": "^3.0.0",
-    "ts-node": "^8.0.0",
+    "ts-node": "^9.0.0",
     "tslint": "^5.0.0",
     "typescript": "~3.7.0"
   },