diff --git a/package-lock.json b/package-lock.json
index 95a25b4..8f15b34 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,14 +25,21 @@
       }
     },
     "ajv": {
-      "version": "6.10.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
-      "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
+      "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": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
+      },
+      "dependencies": {
+        "fast-deep-equal": {
+          "version": "3.1.3",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+          "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
+        }
       }
     },
     "asn1": {
@@ -169,11 +176,6 @@
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
     },
-    "fast-deep-equal": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
-    },
     "fast-json-stable-stringify": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
@@ -360,17 +362,6 @@
           "resolved": "https://registry.npmjs.org/@types/node/-/node-10.3.5.tgz",
           "integrity": "sha512-6lRwZN0Y3TuglwaaZN2XPocobmzLlhxcqDjKFjNYSsXG/TFAGYkCqkzZh4+ms8iTHHQE6gJXLHPV7TziVGeWhg=="
         },
-        "ajv": {
-          "version": "5.5.2",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
-          "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
-          "requires": {
-            "co": "^4.6.0",
-            "fast-deep-equal": "^1.0.0",
-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.3.0"
-          }
-        },
         "argv": {
           "version": "0.0.2",
           "resolved": "https://registry.npmjs.org/argv/-/argv-0.0.2.tgz",
@@ -621,7 +612,6 @@
           "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.0.3.tgz",
           "integrity": "sha1-ukAsJmGU8VlW7xXg/PJCmT9qff0=",
           "requires": {
-            "ajv": "^5.1.0",
             "har-schema": "^2.0.0"
           }
         },