diff --git a/package-lock.json b/package-lock.json
index 5ad9c16..cdd30de 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2908,9 +2908,9 @@
       }
     },
     "mocha": {
-      "version": "6.1.4",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-6.1.4.tgz",
-      "integrity": "sha512-PN8CIy4RXsIoxoFJzS4QNnCH4psUCPWc4/rPrst/ecSJJbLBkubMiyGCP2Kj/9YnWbotFqAoeXyXMucj7gwCFg==",
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-6.2.0.tgz",
+      "integrity": "sha512-qwfFgY+7EKAAUAdv7VYMZQknI7YJSGesxHyhn6qD52DV8UcSZs5XwCifcZGMVIE4a5fbmhvbotxC0DLQ0oKohQ==",
       "dev": true,
       "requires": {
         "ansi-colors": "3.2.3",
@@ -2995,12 +2995,6 @@
             "ms": "^2.1.1"
           }
         },
-        "esprima": {
-          "version": "4.0.1",
-          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
-          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
-          "dev": true
-        },
         "execa": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
@@ -3052,16 +3046,6 @@
           "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
           "dev": true
         },
-        "js-yaml": {
-          "version": "3.13.1",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
-          "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
-          "dev": true,
-          "requires": {
-            "argparse": "^1.0.7",
-            "esprima": "^4.0.0"
-          }
-        },
         "lcid": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/lcid/-/lcid-2.0.0.tgz",