diff --git a/package.json b/package.json
index 65bf769..e89216d 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "test": "tests"
   },
   "devDependencies": {
-    "browserify": "^16.2.3",
+    "browserify": "^16.5.1",
     "chai": "^4.2.0",
     "cross-env": "^5.2.0",
     "envify": "^4.1.0",
diff --git a/yarn.lock b/yarn.lock
index cedd37a..face2f2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -322,17 +322,17 @@ browserify-zlib@~0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserify@^16.2.3:
-  version "16.2.3"
-  resolved "https://registry.yarnpkg.com/browserify/-/browserify-16.2.3.tgz#7ee6e654ba4f92bce6ab3599c3485b1cc7a0ad0b"
-  integrity sha512-zQt/Gd1+W+IY+h/xX2NYMW4orQWhqSwyV+xsblycTtpOuB27h1fZhhNQuipJ4t79ohw4P4mMem0jp/ZkISQtjQ==
+browserify@^16.5.1:
+  version "16.5.1"
+  resolved "https://registry.yarnpkg.com/browserify/-/browserify-16.5.1.tgz#3c13c97436802930d5c3ae28658ddc33bfd37dc2"
+  integrity sha512-EQX0h59Pp+0GtSRb5rL6OTfrttlzv+uyaUVlK6GX3w11SQ0jKPKyjC/54RhPR2ib2KmfcELM06e8FxcI5XNU2A==
   dependencies:
     JSONStream "^1.0.3"
     assert "^1.4.0"
     browser-pack "^6.0.1"
     browser-resolve "^1.11.0"
     browserify-zlib "~0.2.0"
-    buffer "^5.0.2"
+    buffer "~5.2.1"
     cached-path-relative "^1.0.0"
     concat-stream "^1.6.0"
     console-browserify "^1.1.0"
@@ -350,7 +350,7 @@ browserify@^16.2.3:
     inherits "~2.0.1"
     insert-module-globals "^7.0.0"
     labeled-stream-splicer "^2.0.0"
-    mkdirp "^0.5.0"
+    mkdirp-classic "^0.5.2"
     module-deps "^6.0.0"
     os-browserify "~0.3.0"
     parents "^1.0.1"
@@ -364,7 +364,7 @@ browserify@^16.2.3:
     shasum "^1.0.0"
     shell-quote "^1.6.1"
     stream-browserify "^2.0.0"
-    stream-http "^2.0.0"
+    stream-http "^3.0.0"
     string_decoder "^1.1.1"
     subarg "^1.0.0"
     syntax-error "^1.1.1"
@@ -386,7 +386,7 @@ buffer-xor@^1.0.3:
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
 
-buffer@^5.0.2:
+buffer@~5.2.1:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.2.1.tgz#dd57fa0f109ac59c602479044dca7b8b3d0b71d6"
   integrity sha512-c+Ko0loDaFfuPWiL02ls9Xd3GO3cPVmUobQ6t3rXNUk304u6hGq+8N/kFi+QEIKhzK3uwolVhLzszmfLmMLnqg==
@@ -1468,7 +1468,12 @@ minimist@~0.0.1:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
   integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
-mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@^0.5.0:
+mkdirp-classic@^0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/mkdirp-classic/-/mkdirp-classic-0.5.2.tgz#54c441ce4c96cd7790e10b41a87aa51068ecab2b"
+  integrity sha512-ejdnDQcR75gwknmMw/tx02AuRs8jCtqFoFqDZMjiNxsu85sRIJVXDKHuLYvUUPRBUtV2FpSZa9bL1BUa3BdR2g==
+
+mkdirp@0.5.1, mkdirp@0.5.x:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
@@ -1863,7 +1868,7 @@ read-only-stream@^2.0.0:
   dependencies:
     readable-stream "^2.0.2"
 
-readable-stream@^2.0.2, readable-stream@^2.2.2, readable-stream@^2.3.6, readable-stream@~2.3.6:
+readable-stream@^2.0.2, readable-stream@^2.2.2, readable-stream@~2.3.6:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
@@ -1876,6 +1881,15 @@ readable-stream@^2.0.2, readable-stream@^2.2.2, readable-stream@^2.3.6, readable
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
+readable-stream@^3.0.6:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
+  integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
+  dependencies:
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
+
 request-promise-core@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.1.tgz#3eee00b2c5aa83239cfb04c5700da36f81cd08b6"
@@ -2086,15 +2100,14 @@ stream-combiner2@^1.1.1:
     duplexer2 "~0.1.0"
     readable-stream "^2.0.2"
 
-stream-http@^2.0.0:
-  version "2.8.3"
-  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.8.3.tgz#b2d242469288a5a27ec4fe8933acf623de6514fc"
-  integrity sha512-+TSkfINHDo4J+ZobQLWiMouQYB+UVYFttRA94FpEzzJ7ZdqcL4uUUQ7WkdkI4DSozGmgBUE/a47L+38PenXhUw==
+stream-http@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-3.1.0.tgz#22fb33fe9b4056b4eccf58bd8f400c4b993ffe57"
+  integrity sha512-cuB6RgO7BqC4FBYzmnvhob5Do3wIdIsXAgGycHJnW+981gHqoYcYz9lqjJrk8WXRddbwPuqPYRl+bag6mYv4lw==
   dependencies:
     builtin-status-codes "^3.0.0"
     inherits "^2.0.1"
-    readable-stream "^2.3.6"
-    to-arraybuffer "^1.0.0"
+    readable-stream "^3.0.6"
     xtend "^4.0.0"
 
 stream-splicer@^2.0.0:
@@ -2233,11 +2246,6 @@ timers-browserify@^1.0.1:
   dependencies:
     process "~0.11.0"
 
-to-arraybuffer@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"
-  integrity sha1-fSKbH8xjfkZsoIEYCDanqr/4P0M=
-
 tough-cookie@>=2.3.3, tough-cookie@^2.3.3, tough-cookie@~2.3.3:
   version "2.3.4"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.4.tgz#ec60cee38ac675063ffc97a5c18970578ee83655"
@@ -2311,7 +2319,7 @@ url@~0.11.0:
     punycode "1.3.2"
     querystring "0.2.0"
 
-util-deprecate@~1.0.1:
+util-deprecate@^1.0.1, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
   integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=