diff --git a/package-lock.json b/package-lock.json
index bbd3716..ee0ae61 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -67,19 +67,6 @@
 				"npm": ">= 3.0.0"
 			}
 		},
-		"node_modules/@angular-devkit/build-optimizer/node_modules/typescript": {
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-			"resolved": "https://registry.npmjs.org/typescript/-/typescript-2.6.2.tgz",
-			"integrity": "sha1-PFtv1/beCRQmkCfwPAlGdY92c6Q=",
-			"dev": true,
-			"bin": {
-				"tsc": "bin/tsc",
-				"tsserver": "bin/tsserver"
-			},
-			"engines": {
-				"node": ">=4.2.0"
-			}
-		},
 		"node_modules/@angular/animations": {
 			"version": "5.2.11",
 			"resolved": "https://registry.npmjs.org/@angular/animations/-/animations-5.2.11.tgz",
@@ -1260,15 +1247,19 @@
 			}
 		},
 		"node_modules/ajv": {
-			"version": "6.12.2",
-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
-			"integrity": "sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==",
+			"version": "6.12.6",
+			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+			"integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
 			"dev": true,
 			"dependencies": {
 				"fast-deep-equal": "^3.1.1",
 				"fast-json-stable-stringify": "^2.0.0",
 				"json-schema-traverse": "^0.4.1",
 				"uri-js": "^4.2.2"
+			},
+			"funding": {
+				"type": "github",
+				"url": "https://github.com/sponsors/epoberezkin"
 			}
 		},
 		"node_modules/ajv-keywords": {
@@ -12864,14 +12855,6 @@
 				"source-map": "^0.5.6",
 				"typescript": "~2.6.1",
 				"webpack-sources": "^1.0.1"
-			},
-			"dependencies": {
-				"typescript": {
-					"version": "2.6.2",
-					"resolved": "https://registry.npmjs.org/typescript/-/typescript-2.6.2.tgz",
-					"integrity": "sha1-PFtv1/beCRQmkCfwPAlGdY92c6Q=",
-					"dev": true
-				}
 			}
 		},
 		"@angular/animations": {
@@ -13899,9 +13882,9 @@
 			}
 		},
 		"ajv": {
-			"version": "6.12.2",
-			"resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
-			"integrity": "sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==",
+			"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": "^3.1.1",