diff --git a/package-lock.json b/package-lock.json
index 36ea5b7..3ee68c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -427,7 +427,6 @@
         "jest-runtime": "^25.1.0",
         "jest-util": "^25.1.0",
         "jest-worker": "^25.1.0",
-        "node-notifier": "^6.0.0",
         "slash": "^3.0.0",
         "source-map": "^0.6.0",
         "string-length": "^3.1.0",
@@ -680,15 +679,19 @@
       }
     },
     "node_modules/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==",
       "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/ansi-escapes": {
@@ -2836,7 +2839,6 @@
         "@jest/types": "^25.1.0",
         "anymatch": "^3.0.3",
         "fb-watchman": "^2.0.0",
-        "fsevents": "^2.1.2",
         "graceful-fs": "^4.2.3",
         "jest-serializer": "^25.1.0",
         "jest-util": "^25.1.0",
@@ -6066,9 +6068,9 @@
       "dev": true
     },
     "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==",
       "dev": true,
       "requires": {
         "fast-deep-equal": "^3.1.1",