diff --git a/package-lock.json b/package-lock.json
index 5f7d5d7..5a0e37c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "convert-iso8601-duration",
-  "version": "2.0.0",
+  "version": "3.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -861,22 +861,38 @@
       }
     },
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-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.6.3.tgz",
-      "integrity": "sha512-CNBqTCq22RKM8wKJNowcqihHJ4SkI8CGeK7KOR9tPboXUuS5Zk5lQgzzTbs4oxD8x+6HUshZUa2OyNI9lR93bQ==",
+      "version": "4.16.6",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.6.tgz",
+      "integrity": "sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==",
       "dev": true,
       "requires": {
-        "caniuse-lite": "^1.0.30000975",
-        "electron-to-chromium": "^1.3.164",
-        "node-releases": "^1.1.23"
+        "caniuse-lite": "^1.0.30001219",
+        "colorette": "^1.2.2",
+        "electron-to-chromium": "^1.3.723",
+        "escalade": "^3.1.1",
+        "node-releases": "^1.1.71"
+      },
+      "dependencies": {
+        "caniuse-lite": {
+          "version": "1.0.30001228",
+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz",
+          "integrity": "sha512-QQmLOGJ3DEgokHbMSA8cj2a+geXqmnpyOFT0lhQV6P3/YOJvGDEwoedcwxEQ30gJIwIIunHIicunJ2rzK5gB2A==",
+          "dev": true
+        },
+        "electron-to-chromium": {
+          "version": "1.3.738",
+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.738.tgz",
+          "integrity": "sha512-vCMf4gDOpEylPSLPLSwAEsz+R3ShP02Y3cAKMZvTqule3XcPp7tgc/0ESI7IS6ZeyBlGClE50N53fIOkcIVnpw==",
+          "dev": true
+        },
+        "node-releases": {
+          "version": "1.1.72",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.72.tgz",
+          "integrity": "sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==",
+          "dev": true
+        }
       }
     },
-    "caniuse-lite": {
-      "version": "1.0.30000979",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000979.tgz",
-      "integrity": "sha512-gcu45yfq3B7Y+WB05fOMfr0EiSlq+1u+m6rPHyJli/Wy3PVQNGaU7VA4bZE5qw+AU2UVOBR/N5g1bzADUqdvFw==",
-      "dev": true
-    },
     "chalk": {
       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@@ -903,6 +919,12 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "colorette": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
+      "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==",
+      "dev": true
+    },
     "convert-source-map": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.6.0.tgz",
@@ -946,10 +968,10 @@
         "ms": "^2.1.1"
       }
     },
-    "electron-to-chromium": {
-      "version": "1.3.183",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.183.tgz",
-      "integrity": "sha512-WbKCYs7yAFOfpuoa2pK5kbOngriUtlPC+8mcQW5L/686wv04w7hYXfw5ScDrsl9kixFw1SPsALEob5V/gtlDxw==",
+    "escalade": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
       "dev": true
     },
     "escape-string-regexp": {
@@ -1039,15 +1061,6 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
       "dev": true
     },
-    "node-releases": {
-      "version": "1.1.24",
-      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.24.tgz",
-      "integrity": "sha512-wym2jptfuKowMmkZsfCSTsn8qAVo8zm+UiQA6l5dNqUcpfChZSnS/vbbpOeXczf+VdPhutxh+99lWHhdd6xKzg==",
-      "dev": true,
-      "requires": {
-        "semver": "^5.3.0"
-      }
-    },
     "path-parse": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",