diff --git a/package-lock.json b/package-lock.json
index 26137a31..76284b6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -47,7 +47,7 @@
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@@ -8839,12 +8706,12 @@
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@@ -8877,6 +8744,12 @@
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@@ -8889,27 +8762,6 @@
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@@ -9081,16 +8874,36 @@
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+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-2.0.0.tgz",
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+      "dev": true
+    },
+    "node_modules/mocha/node_modules/string-width": {
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+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
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+            "is-fullwidth-code-point": "^2.0.0",
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         "strip-ansi": {
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-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha512-4XaJ2zQdCzROZDivEVIDPkcQn8LMFSa8kj8Gxb/Lnwzv9A8VctNZ+lfivC/sV3ivW8ElJTERXZoPBRrZKkNKow==",
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
           "dev": true,
           "requires": {
-            "ansi-regex": "^3.0.0"
+            "ansi-regex": "^4.1.0"
           }
         },
         "which-module": {
@@ -26322,41 +25745,14 @@
           "dev": true
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         "wrap-ansi": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
-          "integrity": "sha512-vAaEaDM946gbNpH5pLVNR+vX2ht6n0Bt3GXwVB1AuAqZosOvHNF3P7wDnh8KLkSqgUh0uh77le7Owgoz+Z9XBw==",
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
+          "integrity": "sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==",
           "dev": true,
           "requires": {
-            "string-width": "^1.0.1",
-            "strip-ansi": "^3.0.1"
-          },
-          "dependencies": {
-            "ansi-regex": {
-              "version": "2.1.1",
-              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-              "integrity": "sha512-TIGnTpdo+E3+pCyAluZvtED5p5wCqLdezCyhPZzKPcxvFplEt4i+W7OONCKgeZFT3+y5NZZfOOS/Bdcanm1MYA==",
-              "dev": true
-            },
-            "string-width": {
-              "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-              "integrity": "sha512-0XsVpQLnVCXHJfyEs8tC0zpTVIr5PKKsQtkT29IwupnPTjtPmQ3xT/4yCREF9hYkV/3M3kzcUTSAZT6a6h81tw==",
-              "dev": true,
-              "requires": {
-                "code-point-at": "^1.0.0",
-                "is-fullwidth-code-point": "^1.0.0",
-                "strip-ansi": "^3.0.0"
-              }
-            },
-            "strip-ansi": {
-              "version": "3.0.1",
-              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-              "integrity": "sha512-VhumSSbBqDTP8p2ZLKj40UjBCV4+v8bUSEpUb4KjRgWk9pbqGF4REFj6KEagidb2f/M6AzC0EmFyDNGaw9OCzg==",
-              "dev": true,
-              "requires": {
-                "ansi-regex": "^2.0.0"
-              }
-            }
+            "ansi-styles": "^3.2.0",
+            "string-width": "^3.0.0",
+            "strip-ansi": "^5.0.0"
           }
         },
         "y18n": {
@@ -26366,29 +25762,27 @@
           "dev": true
         },
         "yargs": {
-          "version": "12.0.5",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-          "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+          "version": "13.3.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+          "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
           "dev": true,
           "requires": {
-            "cliui": "^4.0.0",
-            "decamelize": "^1.2.0",
+            "cliui": "^5.0.0",
             "find-up": "^3.0.0",
-            "get-caller-file": "^1.0.1",
-            "os-locale": "^3.0.0",
+            "get-caller-file": "^2.0.1",
             "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
+            "require-main-filename": "^2.0.0",
             "set-blocking": "^2.0.0",
-            "string-width": "^2.0.0",
+            "string-width": "^3.0.0",
             "which-module": "^2.0.0",
-            "y18n": "^3.2.1 || ^4.0.0",
-            "yargs-parser": "^11.1.1"
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.1.2"
           }
         },
         "yargs-parser": {
-          "version": "11.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-          "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+          "version": "13.1.2",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+          "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
           "dev": true,
           "requires": {
             "camelcase": "^5.0.0",
diff --git a/package.json b/package.json
index e897aaac..508a6ce1 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "gulp": "4.0.2",
     "jsdoc": "FabricLabs/jsdoc#fabric",
     "jsdom": "11.12.0",
-    "mocha": "6.0.2",
+    "mocha": "6.2.3",
     "rollup": "2.70.2",
     "rollup-plugin-dts": "4.2.1",
     "semistandard": "13.0.1",