diff --git a/package-lock.json b/package-lock.json
index b76392e..bf9be6d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1183,14 +1183,21 @@
             "dev": true
         },
         "ajv": {
-            "version": "6.10.0",
-            "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
-            "integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
+            "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=="
+                }
             }
         },
         "ajv-errors": {
@@ -4028,11 +4035,6 @@
             "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",
@@ -10896,12 +10898,6 @@
                 "decamelize": "^1.2.0"
             }
         },
-        "yarn": {
-            "version": "1.16.0",
-            "resolved": "https://registry.npmjs.org/yarn/-/yarn-1.16.0.tgz",
-            "integrity": "sha512-cfemyGlnWKA1zopUUgebTPf8C4WkPIZ+TJmklwcEAJ4u6oWPtJeAzrsamaGGh/+b1XWe8W51yzAImC4AWbWR1g==",
-            "dev": true
-        },
         "ylru": {
             "version": "1.2.1",
             "resolved": "https://registry.npmjs.org/ylru/-/ylru-1.2.1.tgz",