diff --git a/.travis.yml b/.travis.yml
index 77f07b1..e303031 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: node_js
 node_js:
-  - "0.10"
-  - '0.12'
-  - '4'
-  - '5'
+  - '6'
+  - '8'
+  - '10'
diff --git a/extract.js b/extract.js
index 19a4255..1a2a445 100644
--- a/extract.js
+++ b/extract.js
@@ -1,6 +1,5 @@
 var util = require('util')
 var bl = require('bl')
-var xtend = require('xtend')
 var headers = require('./headers')
 
 var Writable = require('readable-stream').Writable
@@ -98,7 +97,7 @@ var Extract = function (opts) {
   var onpaxheader = function () {
     var size = self._header.size
     self._pax = headers.decodePax(b.slice(0, size))
-    if (self._paxGlobal) self._pax = xtend(self._paxGlobal, self._pax)
+    if (self._paxGlobal) self._pax = Object.assign({}, self._paxGlobal, self._pax)
     b.consume(size)
     onstreamend()
   }
diff --git a/headers.js b/headers.js
index 6efbc4a..8571c87 100644
--- a/headers.js
+++ b/headers.js
@@ -1,5 +1,4 @@
-var toBuffer = require('to-buffer')
-var alloc = require('buffer-alloc')
+var alloc = Buffer.alloc
 
 var ZEROS = '0000000000000000000'
 var SEVENS = '7777777777777777777'
@@ -172,7 +171,7 @@ exports.encodePax = function (opts) { // TODO: encode more stuff in pax
       result += addLength(' ' + key + '=' + pax[key] + '\n')
     }
   }
-  return toBuffer(result)
+  return Buffer.from(result)
 }
 
 exports.decodePax = function (buf) {
diff --git a/pack.js b/pack.js
index 72d96a0..ba4eece 100644
--- a/pack.js
+++ b/pack.js
@@ -1,8 +1,7 @@
 var constants = require('fs-constants')
 var eos = require('end-of-stream')
-var util = require('util')
-var alloc = require('buffer-alloc')
-var toBuffer = require('to-buffer')
+var inherits = require('inherits')
+var alloc = Buffer.alloc
 
 var Readable = require('readable-stream').Readable
 var Writable = require('readable-stream').Writable
@@ -41,7 +40,7 @@ var Sink = function (to) {
   this._destroyed = false
 }
 
-util.inherits(Sink, Writable)
+inherits(Sink, Writable)
 
 Sink.prototype._write = function (data, enc, cb) {
   this.written += data.length
@@ -62,7 +61,7 @@ var LinkSink = function () {
   this._destroyed = false
 }
 
-util.inherits(LinkSink, Writable)
+inherits(LinkSink, Writable)
 
 LinkSink.prototype._write = function (data, enc, cb) {
   this.linkname += this._decoder.write(data)
@@ -80,7 +79,7 @@ var Void = function () {
   this._destroyed = false
 }
 
-util.inherits(Void, Writable)
+inherits(Void, Writable)
 
 Void.prototype._write = function (data, enc, cb) {
   cb(new Error('No body allowed for this entry'))
@@ -103,7 +102,7 @@ var Pack = function (opts) {
   this._stream = null
 }
 
-util.inherits(Pack, Readable)
+inherits(Pack, Readable)
 
 Pack.prototype.entry = function (header, buffer, callback) {
   if (this._stream) throw new Error('already piping an entry')
@@ -125,7 +124,7 @@ Pack.prototype.entry = function (header, buffer, callback) {
   if (!header.gid) header.gid = 0
   if (!header.mtime) header.mtime = new Date()
 
-  if (typeof buffer === 'string') buffer = toBuffer(buffer)
+  if (typeof buffer === 'string') buffer = Buffer.from(buffer)
   if (Buffer.isBuffer(buffer)) {
     header.size = buffer.length
     this._encode(header)
diff --git a/package.json b/package.json
index e15eb27..adbc4e5 100644
--- a/package.json
+++ b/package.json
@@ -3,22 +3,17 @@
   "version": "1.6.2",
   "description": "tar-stream is a streaming tar parser and generator and nothing else. It is streams2 and operates purely using streams which means you can easily extract/parse tarballs without ever hitting the file system.",
   "author": "Mathias Buus <mathiasbuus@gmail.com>",
-  "engines": {
-    "node": ">= 0.8.0"
-  },
   "dependencies": {
-    "bl": "^1.0.0",
-    "buffer-alloc": "^1.2.0",
-    "end-of-stream": "^1.0.0",
+    "bl": "^2.2.0",
+    "end-of-stream": "^1.4.1",
     "fs-constants": "^1.0.0",
-    "readable-stream": "^2.3.0",
-    "to-buffer": "^1.1.1",
-    "xtend": "^4.0.0"
+    "inherits": "^2.0.3",
+    "readable-stream": "^3.1.1"
   },
   "devDependencies": {
-    "concat-stream": "^1.6.2",
-    "standard": "^11.0.1",
-    "tape": "^4.9.0"
+    "concat-stream": "^2.0.0",
+    "standard": "^12.0.1",
+    "tape": "^4.9.2"
   },
   "scripts": {
     "test": "standard && tape test/extract.js test/pack.js",
diff --git a/test/extract.js b/test/extract.js
index a244c0b..68aeb8b 100644
--- a/test/extract.js
+++ b/test/extract.js
@@ -363,7 +363,7 @@ test('unicode-bsd', function (t) { // can unpack a bsdtar unicoded tarball
       gid: 20,
       size: 4,
       mtime: new Date(1387588646000),
-      pax: {'SCHILY.dev': '16777217', 'SCHILY.ino': '3599143', 'SCHILY.nlink': '1', atime: '1387589077', ctime: '1387588646', path: 'høllø.txt'},
+      pax: { 'SCHILY.dev': '16777217', 'SCHILY.ino': '3599143', 'SCHILY.nlink': '1', atime: '1387589077', ctime: '1387588646', path: 'høllø.txt' },
       type: 'file',
       linkname: null,
       uname: 'maf',
@@ -400,7 +400,7 @@ test('unicode', function (t) { // can unpack a bsdtar unicoded tarball
       gid: 20,
       size: 8,
       mtime: new Date(1387580181000),
-      pax: {path: 'høstål.txt'},
+      pax: { path: 'høstål.txt' },
       type: 'file',
       linkname: null,
       uname: 'maf',
diff --git a/test/pack.js b/test/pack.js
index fef5dc1..e19baba 100644
--- a/test/pack.js
+++ b/test/pack.js
@@ -74,7 +74,7 @@ test('pax', function (t) {
     gname: 'staff',
     uid: 501,
     gid: 20,
-    pax: {special: 'sauce'}
+    pax: { special: 'sauce' }
   }, 'hello world\n')
 
   pack.finalize()