diff --git a/package-lock.json b/package-lock.json
index 869e92c..8b591c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1255,9 +1255,9 @@
       }
     },
     "mocha": {
-      "version": "6.1.2",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-6.1.2.tgz",
-      "integrity": "sha512-BgD2/RozoSC3uQK5R0isDcxjqaWw2n5HWdk8njYUyZf2NC79ErO5FtYVX52+rfqGoEgMfJf4fuG0IWh2TMzFoA==",
+      "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",
@@ -1269,12 +1269,12 @@
         "glob": "7.1.3",
         "growl": "1.10.5",
         "he": "1.2.0",
-        "js-yaml": "3.13.0",
+        "js-yaml": "3.13.1",
         "log-symbols": "2.2.0",
         "minimatch": "3.0.4",
         "mkdirp": "0.5.1",
         "ms": "2.1.1",
-        "node-environment-flags": "1.0.4",
+        "node-environment-flags": "1.0.5",
         "object.assign": "4.1.0",
         "strip-json-comments": "2.0.1",
         "supports-color": "6.0.0",
@@ -1300,9 +1300,9 @@
           }
         },
         "js-yaml": {
-          "version": "3.13.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.0.tgz",
-          "integrity": "sha512-pZZoSxcCYco+DIKBTimr67J6Hy+EYGZDY/HCWC+iAEA9h1ByhMXAIVUXMcMFpOCxQ/xjXmPI2MkDL5HRm5eFrQ==",
+          "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",
@@ -1341,12 +1341,21 @@
       "dev": true
     },
     "node-environment-flags": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/node-environment-flags/-/node-environment-flags-1.0.4.tgz",
-      "integrity": "sha512-M9rwCnWVLW7PX+NUWe3ejEdiLYinRpsEre9hMkU/6NS4h+EEulYaDH1gCEZ2gyXsmw+RXYDaV2JkkTNcsPDJ0Q==",
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/node-environment-flags/-/node-environment-flags-1.0.5.tgz",
+      "integrity": "sha512-VNYPRfGfmZLx0Ye20jWzHUjyTW/c+6Wq+iLhDzUI4XmhrDd9l/FozXV3F2xOaXjvp0co0+v1YSR3CMP6g+VvLQ==",
       "dev": true,
       "requires": {
-        "object.getownpropertydescriptors": "^2.0.3"
+        "object.getownpropertydescriptors": "^2.0.3",
+        "semver": "^5.7.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
+        }
       }
     },
     "normalize-package-data": {