diff --git a/package-lock.json b/package-lock.json
index 9cf62c6..8145f02 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -256,6 +256,16 @@
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+      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
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@@ -767,15 +843,21 @@
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-      "integrity": "sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY=",
+      "version": "1.0.2",
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+      "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
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@@ -784,13 +866,28 @@
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+      "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.1.tgz",
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+      "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
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-      "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.4.tgz",
-      "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.5.tgz",
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       "dev": true,
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-        "has": "^1.0.1"
+        "has": "^1.0.3"
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@@ -1057,13 +1154,14 @@
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+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-7.0.0.tgz",
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       "requires": {
         "ansi-colors": "3.2.3",
         "browser-stdout": "1.3.1",
+        "chokidar": "3.3.0",
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@@ -1076,7 +1174,7 @@
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-        "node-environment-flags": "1.0.5",
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@@ -1094,9 +1192,9 @@
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+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/node-environment-flags/-/node-environment-flags-1.0.6.tgz",
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@@ -1112,6 +1210,12 @@
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       }
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+    "normalize-path": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
+      "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/nyc/-/nyc-15.0.0.tgz",
@@ -1337,13 +1441,13 @@
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-      "integrity": "sha1-h1jIRvW0B62rDyNuCYbxSwUcqhY=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.1.0.tgz",
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       "dev": true,
       "requires": {
-        "define-properties": "^1.1.2",
-        "es-abstract": "^1.5.1"
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.0-next.1"
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@@ -1430,6 +1534,12 @@
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       "dev": true
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+    "picomatch": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.1.tgz",
+      "integrity": "sha512-ISBaA8xQNmwELC7eOjqFKMESB2VIqt4PPDD0nsS95b/9dZXvVKOlz9keMSnoGGKcOHXfTvDD6WMaRoSc9UuhRA==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-4.2.0.tgz",
@@ -1490,6 +1600,15 @@
         "fromentries": "^1.2.0"
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+    "readdirp": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.2.0.tgz",
+      "integrity": "sha512-crk4Qu3pmXwgxdSgGhgA/eXiJAPQiX4GMOZZMXnqKxHX7TaoL+3gQVo/WeuAiogr07DpnfjIMpXXa+PAIvwPGQ==",
+      "dev": true,
+      "requires": {
+        "picomatch": "^2.0.4"
+      }
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@@ -1622,9 +1741,9 @@
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-      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.0.tgz",
-      "integrity": "sha512-FJ6b7EgdKxxbDxc79cOlok6Afd++TTs5szo+zJTUyow3ycrRfJVE2pq3vcN53XexvKZu/DJMDfeI/qMiZTrjTw==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.1.tgz",
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       "dev": true,
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@@ -1632,9 +1751,9 @@
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+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.1.tgz",
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@@ -1704,6 +1823,15 @@
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       "dev": true
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+    "to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "dev": true,
+      "requires": {
+        "is-number": "^7.0.0"
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     "type-detect": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
diff --git a/package.json b/package.json
index 8fa12be..8811075 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "benchmark": "^2.1.4",
     "chai": "^4.1.0",
-    "mocha": "^6.2.0",
+    "mocha": "^7.0.0",
     "nyc": "^15.0.0"
   }
 }