diff --git a/package-lock.json b/package-lock.json
index a26f919..50efe8a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -78,11 +78,32 @@
         "webpack-subresource-integrity": "^1.1.0-rc.4"
       },
       "dependencies": {
+        "ajv": {
+          "version": "6.4.0",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.4.0.tgz",
+          "integrity": "sha1-06/3jpJ3VJdx2vAWTP9ISCt1T8Y=",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^1.0.0",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.3.0",
+            "uri-js": "^3.0.2"
+          }
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           "resolved": "https://registry.npmjs.org/parse5/-/parse5-4.0.0.tgz",
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           "dev": true
+        },
+        "uri-js": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-3.0.2.tgz",
+          "integrity": "sha1-+QuFhQf4HepNz7s8TD2/orVX+qo=",
+          "dev": true,
+          "requires": {
+            "punycode": "^2.1.0"
+          }
         }
       }
     },
@@ -116,6 +137,29 @@
         "chokidar": "^2.0.3",
         "rxjs": "^6.0.0",
         "source-map": "^0.5.6"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "6.4.0",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.4.0.tgz",
+          "integrity": "sha1-06/3jpJ3VJdx2vAWTP9ISCt1T8Y=",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^1.0.0",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.3.0",
+            "uri-js": "^3.0.2"
+          }
+        },
+        "uri-js": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-3.0.2.tgz",
+          "integrity": "sha1-+QuFhQf4HepNz7s8TD2/orVX+qo=",
+          "dev": true,
+          "requires": {
+            "punycode": "^2.1.0"
+          }
+        }
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@@ -138,6 +182,29 @@
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             "rxjs": "^6.0.0",
             "source-map": "^0.5.6"
+          },
+          "dependencies": {
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+              "version": "6.4.0",
+              "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.4.0.tgz",
+              "integrity": "sha1-06/3jpJ3VJdx2vAWTP9ISCt1T8Y=",
+              "dev": true,
+              "requires": {
+                "fast-deep-equal": "^1.0.0",
+                "fast-json-stable-stringify": "^2.0.0",
+                "json-schema-traverse": "^0.3.0",
+                "uri-js": "^3.0.2"
+              }
+            }
+          }
+        },
+        "uri-js": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-3.0.2.tgz",
+          "integrity": "sha1-+QuFhQf4HepNz7s8TD2/orVX+qo=",
+          "dev": true,
+          "requires": {
+            "punycode": "^2.1.0"
           }
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@@ -199,6 +266,20 @@
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             "rxjs": "^6.0.0",
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+          },
+          "dependencies": {
+            "ajv": {
+              "version": "6.4.0",
+              "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.4.0.tgz",
+              "integrity": "sha1-06/3jpJ3VJdx2vAWTP9ISCt1T8Y=",
+              "dev": true,
+              "requires": {
+                "fast-deep-equal": "^1.0.0",
+                "fast-json-stable-stringify": "^2.0.0",
+                "json-schema-traverse": "^0.3.0",
+                "uri-js": "^3.0.2"
+              }
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@@ -209,13 +290,22 @@
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-          "resolved": "http://registry.npmjs.org/opn/-/opn-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/opn/-/opn-5.3.0.tgz",
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           "dev": true,
           "requires": {
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+        "uri-js": {
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+          "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-3.0.2.tgz",
+          "integrity": "sha1-+QuFhQf4HepNz7s8TD2/orVX+qo=",
+          "dev": true,
+          "requires": {
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@@ -411,7 +501,7 @@
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-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
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@@ -453,7 +543,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -683,13 +773,36 @@
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+          },
+          "dependencies": {
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+              "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.4.0.tgz",
+              "integrity": "sha1-06/3jpJ3VJdx2vAWTP9ISCt1T8Y=",
+              "dev": true,
+              "requires": {
+                "fast-deep-equal": "^1.0.0",
+                "fast-json-stable-stringify": "^2.0.0",
+                "json-schema-traverse": "^0.3.0",
+                "uri-js": "^3.0.2"
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-          "resolved": "http://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz",
+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz",
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+        },
+        "uri-js": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-3.0.2.tgz",
+          "integrity": "sha1-+QuFhQf4HepNz7s8TD2/orVX+qo=",
+          "dev": true,
+          "requires": {
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+          }
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@@ -717,6 +830,29 @@
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+              "integrity": "sha1-06/3jpJ3VJdx2vAWTP9ISCt1T8Y=",
+              "dev": true,
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+                "json-schema-traverse": "^0.3.0",
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+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-3.0.2.tgz",
+          "integrity": "sha1-+QuFhQf4HepNz7s8TD2/orVX+qo=",
+          "dev": true,
+          "requires": {
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@@ -1090,14 +1226,26 @@
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-      "integrity": "sha1-06/3jpJ3VJdx2vAWTP9ISCt1T8Y=",
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+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz",
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-        "json-schema-traverse": "^0.3.0",
-        "uri-js": "^3.0.2"
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+        "uri-js": "^4.2.2"
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+        },
+        "json-schema-traverse": {
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+          "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
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-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-3.0.2.tgz",
-      "integrity": "sha1-+QuFhQf4HepNz7s8TD2/orVX+qo=",
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
+      "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
       "requires": {
         "punycode": "^2.1.0"
       }
diff --git a/package.json b/package.json
index 8745013..accf3cb 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "@angular/platform-browser-dynamic": "7.0.2",
     "@angular/platform-server": "7.0.2",
     "@angular/router": "7.0.2",
-    "ajv": "6.4.0",
+    "ajv": "6.12.3",
     "arrive": "2.4.1",
     "bootstrap": "4.1.0",
     "bootstrap-material-design": "4.1.1",