diff --git a/package-lock.json b/package-lock.json
index 5f58de3..681a1f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13116,16 +13116,16 @@
       }
     },
     "ts-node": {
-      "version": "8.5.2",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-8.5.2.tgz",
-      "integrity": "sha512-W1DK/a6BGoV/D4x/SXXm6TSQx6q3blECUzd5TN+j56YEMX3yPVMpHsICLedUw3DvGF3aTQ8hfdR9AKMaHjIi+A==",
+      "version": "8.6.1",
+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-8.6.1.tgz",
+      "integrity": "sha512-KqPbO7/UuOPE4ANAOV9geZjk6tet6rK2K+DFeEJq6kIXUi0nLkrOMksozGkIlFopOorkStlwar3DdWYrdl7zCw==",
       "dev": true,
       "requires": {
         "arg": "^4.1.0",
         "diff": "^4.0.1",
         "make-error": "^1.1.1",
         "source-map-support": "^0.5.6",
-        "yn": "^3.0.0"
+        "yn": "^4.0.0"
       }
     },
     "tslib": {
@@ -14384,9 +14384,9 @@
       }
     },
     "yn": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
-      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yn/-/yn-4.0.0.tgz",
+      "integrity": "sha512-huWiiCS4TxKc4SfgmTwW1K7JmXPPAmuXWYy4j9qjQo4+27Kni8mGhAAi1cloRWmBe2EqcLgt3IGqQoRL/MtPgg==",
       "dev": true
     }
   }
diff --git a/package.json b/package.json
index 63de3ec..0bb8b65 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "symbol-observable": "1.2.0",
     "ts-jest": "24.2.0",
     "ts-loader": "6.2.1",
-    "ts-node": "8.5.2",
+    "ts-node": "8.6.1",
     "tslint": "5.20.1",
     "typescript": "3.7.2",
     "typestrict": "1.0.2",