diff --git a/package-lock.json b/package-lock.json
index c1fdb8e..9acb700 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,12 +4,6 @@
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
-		"@types/mocha": {
-			"version": "2.2.48",
-			"resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-2.2.48.tgz",
-			"integrity": "sha512-nlK/iyETgafGli8Zh9zJVCTicvU3iajSkRwOh3Hhiva598CMqNJ4NcVCGMTGKpGpTYj/9R8RLzS9NAykSSCqGw==",
-			"dev": true
-		},
 		"@types/node": {
 			"version": "8.10.48",
 			"resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.48.tgz",
@@ -17,15 +11,23 @@
 			"dev": true
 		},
 		"ajv": {
-			"version": "6.10.0",
-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
-			"integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
+			"version": "6.12.6",
+			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+			"integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
 			"dev": true,
 			"requires": {
-				"fast-deep-equal": "^2.0.1",
+				"fast-deep-equal": "^3.1.1",
 				"fast-json-stable-stringify": "^2.0.0",
 				"json-schema-traverse": "^0.4.1",
 				"uri-js": "^4.2.2"
+			},
+			"dependencies": {
+				"fast-deep-equal": {
+					"version": "3.1.3",
+					"resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+					"integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
+					"dev": true
+				}
 			}
 		},
 		"ansi-cyan": {
@@ -516,12 +518,6 @@
 			"integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
 			"dev": true
 		},
-		"fast-deep-equal": {
-			"version": "2.0.1",
-			"resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-			"integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
-			"dev": true
-		},
 		"fast-json-stable-stringify": {
 			"version": "2.0.0",
 			"resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",