diff --git a/package-lock.json b/package-lock.json
index c4fad6d..58bcde6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
     "requires": true,
     "dependencies": {
         "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",
@@ -113,6 +113,7 @@
             "version": "2.6.9",
             "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
             "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+            "optional": true,
             "requires": {
                 "ms": "2.0.0"
             }
@@ -319,7 +320,8 @@
         "ms": {
             "version": "2.0.0",
             "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-            "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+            "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+            "optional": true
         },
         "nan": {
             "version": "2.14.0",