diff --git a/demo/package-lock.json b/demo/package-lock.json
index 9999be1..bef1f7b 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -3583,17 +3583,6 @@
           "resolved": "https://registry.npmjs.org/add-stream/-/add-stream-1.0.0.tgz",
           "integrity": "sha1-anmQQ3ynNtXhKI25K9MmbV9csqo="
         },
-        "ajv": {
-          "version": "6.12.0",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.0.tgz",
-          "integrity": "sha512-D6gFiFA0RRLyUbvijN74DWAjXSFxWKaWP7mldxkVhyhAV3+SWA9HEJPHQ2c9soIeTFJqcSdFDGFgdqs1iUU2Hw==",
-          "requires": {
-            "fast-deep-equal": "^3.1.1",
-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.4.1",
-            "uri-js": "^4.2.2"
-          }
-        },
         "ansi-escapes": {
           "version": "4.3.1",
           "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-4.3.1.tgz",
@@ -14165,9 +14154,9 @@
       }
     },
     "ajv": {
-      "version": "6.12.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.0.tgz",
-      "integrity": "sha512-D6gFiFA0RRLyUbvijN74DWAjXSFxWKaWP7mldxkVhyhAV3+SWA9HEJPHQ2c9soIeTFJqcSdFDGFgdqs1iUU2Hw==",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "requires": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",