diff --git a/package-lock.json b/package-lock.json
index e8135bb..6494abd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
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@@ -1228,6 +1228,12 @@
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@@ -1235,14 +1241,23 @@
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+      "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-5.4.1.tgz",
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         "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0"
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@@ -1278,6 +1293,15 @@
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+    "available-typed-arrays": {
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+      "resolved": "https://registry.npmjs.org/available-typed-arrays/-/available-typed-arrays-1.0.2.tgz",
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+      "dev": true,
+      "requires": {
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@@ -1312,15 +1336,15 @@
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+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
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-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
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@@ -1383,19 +1407,23 @@
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+      "resolved": "https://registry.npmjs.org/browser-resolve/-/browser-resolve-2.0.0.tgz",
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       "dev": true,
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-        "resolve": "1.1.7"
+        "resolve": "^1.17.0"
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-          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
-          "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
-          "dev": true
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@@ -1417,48 +1445,48 @@
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+      "resolved": "https://registry.npmjs.org/browserify/-/browserify-17.0.0.tgz",
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         "browser-pack": "^6.0.1",
-        "browser-resolve": "^1.11.0",
+        "browser-resolve": "^2.0.0",
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-        "buffer": "^5.0.2",
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         "constants-browserify": "~1.0.0",
         "crypto-browserify": "^3.0.0",
         "defined": "^1.0.0",
-        "deps-sort": "^2.0.0",
+        "deps-sort": "^2.0.1",
         "domain-browser": "^1.2.0",
         "duplexer2": "~0.1.2",
-        "events": "^2.0.0",
+        "events": "^3.0.0",
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         "has": "^1.0.0",
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         "https-browserify": "^1.0.0",
         "inherits": "~2.0.1",
-        "insert-module-globals": "^7.0.0",
+        "insert-module-globals": "^7.2.1",
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-        "mkdirp": "^0.5.0",
-        "module-deps": "^6.0.0",
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         "parents": "^1.0.1",
-        "path-browserify": "~0.0.0",
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         "resolve": "^1.1.4",
-        "shasum": "^1.0.0",
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@@ -1467,7 +1495,7 @@
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         "tty-browserify": "0.0.1",
         "url": "~0.11.0",
-        "util": "~0.10.1",
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@@ -1510,28 +1538,55 @@
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-      "integrity": "sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=",
+      "version": "4.1.0",
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       "dev": true,
       "requires": {
-        "bn.js": "^4.1.0",
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-      "resolved": "https://registry.npmjs.org/browserify-sign/-/browserify-sign-4.0.4.tgz",
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-        "elliptic": "^6.0.0",
-        "inherits": "^2.0.1",
-        "parse-asn1": "^5.0.0"
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/browserify-sign/-/browserify-sign-4.2.1.tgz",
+      "integrity": "sha512-/vrA5fguVAKKAVTNJjgSm1tRQDHUU6DbwO9IROu/0WAzC8PKhucDSh18J0RMvVeHAn5puMd+QHC2erPRNf8lmg==",
+      "dev": true,
+      "requires": {
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+        "browserify-rsa": "^4.0.1",
+        "create-hash": "^1.2.0",
+        "create-hmac": "^1.1.7",
+        "elliptic": "^6.5.3",
+        "inherits": "^2.0.4",
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+        "readable-stream": "^3.6.0",
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+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
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+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
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+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
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+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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+        }
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@@ -1555,9 +1610,9 @@
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@@ -1701,6 +1756,16 @@
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+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
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+      "dev": true,
+      "requires": {
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@@ -1867,13 +1932,10 @@
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-      "dev": true,
-      "requires": {
-        "date-now": "^0.1.4"
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+      "resolved": "https://registry.npmjs.org/console-browserify/-/console-browserify-1.2.0.tgz",
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@@ -1939,13 +2001,21 @@
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+      "resolved": "https://registry.npmjs.org/create-ecdh/-/create-ecdh-4.0.4.tgz",
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       "dev": true,
       "requires": {
         "bn.js": "^4.1.0",
-        "elliptic": "^6.0.0"
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+        }
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@@ -2051,12 +2121,6 @@
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-        "shasum": "^1.0.0",
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-      "integrity": "sha1-wHTS4qpqipoH29YfmhXCzYPsjsw=",
+      "version": "1.0.1",
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@@ -2171,6 +2235,14 @@
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+        }
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@@ -2213,18 +2285,32 @@
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-        "bn.js": "^4.4.0",
-        "brorand": "^1.0.1",
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diff --git a/package.json b/package.json
index 59eee10..22415d4 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "@babel/register": "^7.6.0",
     "babel-plugin-istanbul": "^5.2.0",
     "babelify": "^10.0.0",
-    "browserify": "^16.5.0",
+    "browserify": "^17.0.0",
     "chai": "^4.2.0",
     "cross-env": "^6.0.0",
     "flow-bin": "^0.107.0",