diff --git a/index.js b/index.js
index fb93154..7f121d2 100644
--- a/index.js
+++ b/index.js
@@ -1,18 +1,6 @@
 'use strict';
 
-const promisify = require('es6-promisify');
-const execute = promisify(require('child_process').exec, { multiArgs: true });
-const logger = require('./lib/log');
-
-const logStandards = function (std) {
-  if (std.out && std.out.length > 0) {
-    logger.info(std.out);
-  }
-
-  if (std.err && std.err.length > 0) {
-    logger.warn(std.err);
-  }
-};
+const childProcess = require('child_process');
 
 /**
  * Converts supplied yml files to cli arguments
@@ -21,11 +9,11 @@ const logStandards = function (std) {
  */
 const configToArgs = config => {
   if (typeof config === 'undefined') {
-    return '';
+    return [];
   } else if (typeof config === 'string') {
-    return `-f ${config}`;
+    return [ '-f', config ];
   } else if (config instanceof Array) {
-    return config.map(configToArgs).join(' ');
+    return config.reduce((args, item) => args.concat([ '-f', item ]), []);
   }
   throw new Error(`Invalid argument supplied: ${config}`);
 };
@@ -33,34 +21,31 @@ const configToArgs = config => {
 /**
  * Executes docker-compose command with common options
  * @param {string} command
+ * @param {string[]} args
  * @param {object} options
  * @param {string} options.cwd
  * @param {boolean} [options.log]
  * @param {?(string|string[])} [options.config]
  */
-const execCompose = (command, options) => new Promise((resolve, reject) => {
-  const cmd = `docker-compose ${configToArgs(options.config)} ${command}`;
+const execCompose = (command, args, options) => new Promise((resolve, reject) => {
+  const composeArgs = configToArgs(options.config);
   const cwd = options.cwd;
 
-  execute(cmd, { cwd }).then(
-      standards => {
-        const std = {
-          out: standards[0],
-          err: standards[1]
-        };
+  const childProc = childProcess.spawn('docker-compose', composeArgs.concat([ command ], args), { cwd }, (err, stdout, stderr) => {
+    if (err) {
+      reject(err);
+    } else {
+      resolve({
+        err: stderr,
+        out: stdout
+      });
+    }
+  });
 
-        if (options.log) {
-          logStandards(std);
-        }
-
-        resolve(std);
-      },
-      error => {
-        logger.error(error.message);
-
-        return reject(error);
-      }
-    );
+  if (options.log) {
+    childProc.stdout.pipe(process.stdout);
+    childProc.stderr.pipe(process.stderr);
+  }
 });
 
 /**
@@ -70,7 +55,7 @@ const execCompose = (command, options) => new Promise((resolve, reject) => {
  * @param {?(string|string[])} [options.config]
  */
 const up = function (options) {
-  return execCompose('up -d', options);
+  return execCompose('up', [ '-d' ], options);
 };
 
 /**
@@ -80,7 +65,7 @@ const up = function (options) {
  * @param {?(string|string[])} [options.config]
  */
 const down = function (options) {
-  return execCompose('down', options);
+  return execCompose('down', [], options);
 };
 
 /**
@@ -90,7 +75,7 @@ const down = function (options) {
  * @param {?(string|string[])} [options.config]
  */
 const stop = function (options) {
-  return execCompose('stop', options);
+  return execCompose('stop', [], options);
 };
 
 /**
@@ -100,7 +85,7 @@ const stop = function (options) {
  * @param {?(string|string[])} [options.config]
  */
 const kill = function (options) {
-  return execCompose('kill', options);
+  return execCompose('kill', [], options);
 };
 
 /**
@@ -110,7 +95,7 @@ const kill = function (options) {
  * @param {?(string|string[])} [options.config]
  */
 const rm = function (options) {
-  return execCompose('rm -f', options);
+  return execCompose('rm', [ '-f' ], options);
 };
 
 /**
@@ -125,7 +110,7 @@ const rm = function (options) {
  * @return {object} std.out / std.err
  */
 const exec = function (container, command, options) {
-  return execCompose(`exec -T ${container} ${command}`, options);
+  return execCompose('exec', [ '-T', container, command ], options);
 };
 
 /**
@@ -140,7 +125,7 @@ const exec = function (container, command, options) {
  * @return {object} std.out / std.err
  */
 const run = function (container, command, options) {
-  return execCompose(`run -T ${container} ${command}`, options);
+  return execCompose('run', [ '-T', container, command ], options);
 };
 
 module.exports = { up, kill, down, stop, rm, exec, run };
diff --git a/package-lock.json b/package-lock.json
index d903226..9a2b31d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "docker-compose",
-  "version": "0.4.3",
+  "version": "0.6.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -11,7 +11,7 @@
       "dev": true,
       "requires": {
         "jsonparse": "0.0.5",
-        "through": ">=2.2.7 <3"
+        "through": "2.3.8"
       }
     },
     "acorn": {
@@ -26,7 +26,7 @@
       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
       "requires": {
-        "acorn": "^3.0.4"
+        "acorn": "3.3.0"
       },
       "dependencies": {
         "acorn": {
@@ -43,8 +43,8 @@
       "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
       "dev": true,
       "requires": {
-        "co": "^4.6.0",
-        "json-stable-stringify": "^1.0.1"
+        "co": "4.6.0",
+        "json-stable-stringify": "1.0.1"
       }
     },
     "ajv-keywords": {
@@ -77,7 +77,7 @@
       "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
       "dev": true,
       "requires": {
-        "sprintf-js": "~1.0.2"
+        "sprintf-js": "1.0.3"
       }
     },
     "array-includes": {
@@ -86,8 +86,8 @@
       "integrity": "sha1-fIZ7TRI1wrVofIdPM0S/9OACvro=",
       "dev": true,
       "requires": {
-        "define-properties": "^1.1.2",
-        "es-abstract": "^1.5.0"
+        "define-properties": "1.1.2",
+        "es-abstract": "1.7.0"
       }
     },
     "array-slice": {
@@ -102,7 +102,7 @@
       "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
       "dev": true,
       "requires": {
-        "array-uniq": "^1.0.1"
+        "array-uniq": "1.0.3"
       }
     },
     "array-uniq": {
@@ -128,9 +128,9 @@
       "integrity": "sha1-AnYgvuVnqIwyVhV05/0IAdMxGOQ=",
       "dev": true,
       "requires": {
-        "chalk": "^1.1.0",
-        "esutils": "^2.0.2",
-        "js-tokens": "^3.0.0"
+        "chalk": "1.1.3",
+        "esutils": "2.0.2",
+        "js-tokens": "3.0.1"
       }
     },
     "balanced-match": {
@@ -145,7 +145,7 @@
       "integrity": "sha1-ysMo977kVzDUBLaSID/LWQ4XLV4=",
       "dev": true,
       "requires": {
-        "readable-stream": "^2.0.5"
+        "readable-stream": "2.2.11"
       }
     },
     "brace-expansion": {
@@ -154,7 +154,7 @@
       "integrity": "sha1-Pv/DxQ4ABTH7cg6v+A8K6O8jz1k=",
       "dev": true,
       "requires": {
-        "balanced-match": "^0.4.1",
+        "balanced-match": "0.4.2",
         "concat-map": "0.0.1"
       }
     },
@@ -164,7 +164,7 @@
       "integrity": "sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=",
       "dev": true,
       "requires": {
-        "callsites": "^0.2.0"
+        "callsites": "0.2.0"
       }
     },
     "callsites": {
@@ -179,11 +179,11 @@
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "dev": true,
       "requires": {
-        "ansi-styles": "^2.2.1",
-        "escape-string-regexp": "^1.0.2",
-        "has-ansi": "^2.0.0",
-        "strip-ansi": "^3.0.0",
-        "supports-color": "^2.0.0"
+        "ansi-styles": "2.2.1",
+        "escape-string-regexp": "1.0.5",
+        "has-ansi": "2.0.0",
+        "strip-ansi": "3.0.1",
+        "supports-color": "2.0.0"
       }
     },
     "circular-json": {
@@ -198,7 +198,7 @@
       "integrity": "sha1-ZNo/fValRBLll5S9Ytw1KV6PKYc=",
       "dev": true,
       "requires": {
-        "restore-cursor": "^1.0.1"
+        "restore-cursor": "1.0.1"
       }
     },
     "cli-width": {
@@ -230,8 +230,8 @@
       "integrity": "sha1-xO+E2Y/s8AFG5Vz8hUn7IU9FAHQ=",
       "dev": true,
       "requires": {
-        "parser-yaml": "^0.1.1",
-        "write-yaml": "^0.2.2"
+        "parser-yaml": "0.1.1",
+        "write-yaml": "0.2.2"
       }
     },
     "concat-map": {
@@ -246,9 +246,9 @@
       "integrity": "sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.3",
-        "readable-stream": "^2.2.2",
-        "typedarray": "^0.0.6"
+        "inherits": "2.0.3",
+        "readable-stream": "2.2.11",
+        "typedarray": "0.0.6"
       }
     },
     "core-util-is": {
@@ -268,7 +268,7 @@
       "integrity": "sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=",
       "dev": true,
       "requires": {
-        "es5-ext": "^0.10.9"
+        "es5-ext": "0.10.23"
       }
     },
     "debug": {
@@ -298,8 +298,8 @@
       "integrity": "sha1-g6c/L+pWmJj7c3GTyPhzyvbUXJQ=",
       "dev": true,
       "requires": {
-        "foreach": "^2.0.5",
-        "object-keys": "^1.0.8"
+        "foreach": "2.0.5",
+        "object-keys": "1.0.11"
       }
     },
     "defined": {
@@ -314,13 +314,13 @@
       "integrity": "sha1-wSyYHQZ4RshLyvhiz/kw2Qf/0ag=",
       "dev": true,
       "requires": {
-        "globby": "^5.0.0",
-        "is-path-cwd": "^1.0.0",
-        "is-path-in-cwd": "^1.0.0",
-        "object-assign": "^4.0.1",
-        "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0",
-        "rimraf": "^2.2.8"
+        "globby": "5.0.0",
+        "is-path-cwd": "1.0.0",
+        "is-path-in-cwd": "1.0.0",
+        "object-assign": "4.1.1",
+        "pify": "2.3.0",
+        "pinkie-promise": "2.0.1",
+        "rimraf": "2.6.1"
       }
     },
     "docker-modem": {
@@ -330,9 +330,9 @@
       "dev": true,
       "requires": {
         "JSONStream": "0.10.0",
-        "debug": "^2.6.0",
-        "readable-stream": "~1.0.26-4",
-        "split-ca": "^1.0.0"
+        "debug": "2.6.8",
+        "readable-stream": "1.0.34",
+        "split-ca": "1.0.1"
       },
       "dependencies": {
         "isarray": {
@@ -347,10 +347,10 @@
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
           "dev": true,
           "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
             "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
+            "string_decoder": "0.10.31"
           }
         },
         "string_decoder": {
@@ -367,9 +367,9 @@
       "integrity": "sha1-fsVbSS/J8onncyX/B8ajqWAhtPI=",
       "dev": true,
       "requires": {
-        "concat-stream": "~1.5.1",
-        "docker-modem": "0.3.x",
-        "tar-fs": "~1.12.0"
+        "concat-stream": "1.5.2",
+        "docker-modem": "0.3.7",
+        "tar-fs": "1.12.0"
       },
       "dependencies": {
         "concat-stream": {
@@ -378,9 +378,9 @@
           "integrity": "sha1-cIl4Yk2FavQaWnQd790mHadSwmY=",
           "dev": true,
           "requires": {
-            "inherits": "~2.0.1",
-            "readable-stream": "~2.0.0",
-            "typedarray": "~0.0.5"
+            "inherits": "2.0.3",
+            "readable-stream": "2.0.6",
+            "typedarray": "0.0.6"
           }
         },
         "readable-stream": {
@@ -389,12 +389,12 @@
           "integrity": "sha1-j5A0HmilPMySh4jaz80Rs265t44=",
           "dev": true,
           "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~1.0.6",
-            "string_decoder": "~0.10.x",
-            "util-deprecate": "~1.0.1"
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "1.0.0",
+            "process-nextick-args": "1.0.7",
+            "string_decoder": "0.10.31",
+            "util-deprecate": "1.0.2"
           }
         },
         "string_decoder": {
@@ -411,8 +411,8 @@
       "integrity": "sha1-xz2NKQnSIpHhoAejlYBNqLZl/mM=",
       "dev": true,
       "requires": {
-        "esutils": "^2.0.2",
-        "isarray": "^1.0.0"
+        "esutils": "2.0.2",
+        "isarray": "1.0.0"
       }
     },
     "end-of-stream": {
@@ -421,7 +421,7 @@
       "integrity": "sha1-epDYM+/abPpurA9JSduw+tOmMgY=",
       "dev": true,
       "requires": {
-        "once": "^1.4.0"
+        "once": "1.4.0"
       }
     },
     "es-abstract": {
@@ -430,10 +430,10 @@
       "integrity": "sha1-363ndOAb/Nl/lhgCmMRJyGI/uUw=",
       "dev": true,
       "requires": {
-        "es-to-primitive": "^1.1.1",
-        "function-bind": "^1.1.0",
-        "is-callable": "^1.1.3",
-        "is-regex": "^1.0.3"
+        "es-to-primitive": "1.1.1",
+        "function-bind": "1.1.0",
+        "is-callable": "1.1.3",
+        "is-regex": "1.0.4"
       }
     },
     "es-to-primitive": {
@@ -442,9 +442,9 @@
       "integrity": "sha1-RTVSSKiJeQNLZ5Lhm7gfK3l13Q0=",
       "dev": true,
       "requires": {
-        "is-callable": "^1.1.1",
-        "is-date-object": "^1.0.1",
-        "is-symbol": "^1.0.1"
+        "is-callable": "1.1.3",
+        "is-date-object": "1.0.1",
+        "is-symbol": "1.0.1"
       }
     },
     "es5-ext": {
@@ -453,8 +453,8 @@
       "integrity": "sha1-dXi1G+l0IHpUh4IbVlOMIk5Oezg=",
       "dev": true,
       "requires": {
-        "es6-iterator": "2",
-        "es6-symbol": "~3.1"
+        "es6-iterator": "2.0.1",
+        "es6-symbol": "3.1.1"
       }
     },
     "es6-iterator": {
@@ -463,9 +463,9 @@
       "integrity": "sha1-jjGcnwRTv1ddN0lAplWSDlnKVRI=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "^0.10.14",
-        "es6-symbol": "^3.1"
+        "d": "1.0.0",
+        "es5-ext": "0.10.23",
+        "es6-symbol": "3.1.1"
       }
     },
     "es6-map": {
@@ -474,25 +474,12 @@
       "integrity": "sha1-kTbgUD3MBqMBaQ8LsU/042TpSfA=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "~0.10.14",
-        "es6-iterator": "~2.0.1",
-        "es6-set": "~0.1.5",
-        "es6-symbol": "~3.1.1",
-        "event-emitter": "~0.3.5"
-      }
-    },
-    "es6-promise": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.1.1.tgz",
-      "integrity": "sha1-iBHpCRXZoNujYnTwskLb2nj5ySo="
-    },
-    "es6-promisify": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
-      "integrity": "sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=",
-      "requires": {
-        "es6-promise": "^4.0.3"
+        "d": "1.0.0",
+        "es5-ext": "0.10.23",
+        "es6-iterator": "2.0.1",
+        "es6-set": "0.1.5",
+        "es6-symbol": "3.1.1",
+        "event-emitter": "0.3.5"
       }
     },
     "es6-set": {
@@ -501,11 +488,11 @@
       "integrity": "sha1-0rPsXU2ADO2BjbU40ol02wpzzLE=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "~0.10.14",
-        "es6-iterator": "~2.0.1",
+        "d": "1.0.0",
+        "es5-ext": "0.10.23",
+        "es6-iterator": "2.0.1",
         "es6-symbol": "3.1.1",
-        "event-emitter": "~0.3.5"
+        "event-emitter": "0.3.5"
       }
     },
     "es6-symbol": {
@@ -514,8 +501,8 @@
       "integrity": "sha1-vwDvT9q2uhtG7Le2KbTH7VcVzHc=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "~0.10.14"
+        "d": "1.0.0",
+        "es5-ext": "0.10.23"
       }
     },
     "es6-weak-map": {
@@ -524,10 +511,10 @@
       "integrity": "sha1-XjqzIlH/0VOKH45f+hNXdy+S2W8=",
       "dev": true,
       "requires": {
-        "d": "1",
-        "es5-ext": "^0.10.14",
-        "es6-iterator": "^2.0.1",
-        "es6-symbol": "^3.1.1"
+        "d": "1.0.0",
+        "es5-ext": "0.10.23",
+        "es6-iterator": "2.0.1",
+        "es6-symbol": "3.1.1"
       }
     },
     "escape-string-regexp": {
@@ -542,10 +529,10 @@
       "integrity": "sha1-4Bl16BJ4GhY6ba392AOY3GTIicM=",
       "dev": true,
       "requires": {
-        "es6-map": "^0.1.3",
-        "es6-weak-map": "^2.0.1",
-        "esrecurse": "^4.1.0",
-        "estraverse": "^4.1.1"
+        "es6-map": "0.1.5",
+        "es6-weak-map": "2.0.2",
+        "esrecurse": "4.1.0",
+        "estraverse": "4.2.0"
       }
     },
     "eslint": {
@@ -554,41 +541,41 @@
       "integrity": "sha1-yPxiAcf0DdCJQbh8CFdnOGpnmsw=",
       "dev": true,
       "requires": {
-        "babel-code-frame": "^6.16.0",
-        "chalk": "^1.1.3",
-        "concat-stream": "^1.5.2",
-        "debug": "^2.1.1",
-        "doctrine": "^2.0.0",
-        "escope": "^3.6.0",
-        "espree": "^3.4.0",
-        "esquery": "^1.0.0",
-        "estraverse": "^4.2.0",
-        "esutils": "^2.0.2",
-        "file-entry-cache": "^2.0.0",
-        "glob": "^7.0.3",
-        "globals": "^9.14.0",
-        "ignore": "^3.2.0",
-        "imurmurhash": "^0.1.4",
-        "inquirer": "^0.12.0",
-        "is-my-json-valid": "^2.10.0",
-        "is-resolvable": "^1.0.0",
-        "js-yaml": "^3.5.1",
-        "json-stable-stringify": "^1.0.0",
-        "levn": "^0.3.0",
-        "lodash": "^4.0.0",
-        "mkdirp": "^0.5.0",
-        "natural-compare": "^1.4.0",
-        "optionator": "^0.8.2",
-        "path-is-inside": "^1.0.1",
-        "pluralize": "^1.2.1",
-        "progress": "^1.1.8",
-        "require-uncached": "^1.0.2",
-        "shelljs": "^0.7.5",
-        "strip-bom": "^3.0.0",
-        "strip-json-comments": "~2.0.1",
-        "table": "^3.7.8",
-        "text-table": "~0.2.0",
-        "user-home": "^2.0.0"
+        "babel-code-frame": "6.22.0",
+        "chalk": "1.1.3",
+        "concat-stream": "1.6.0",
+        "debug": "2.6.8",
+        "doctrine": "2.0.0",
+        "escope": "3.6.0",
+        "espree": "3.4.3",
+        "esquery": "1.0.0",
+        "estraverse": "4.2.0",
+        "esutils": "2.0.2",
+        "file-entry-cache": "2.0.0",
+        "glob": "7.1.2",
+        "globals": "9.18.0",
+        "ignore": "3.3.3",
+        "imurmurhash": "0.1.4",
+        "inquirer": "0.12.0",
+        "is-my-json-valid": "2.16.0",
+        "is-resolvable": "1.0.0",
+        "js-yaml": "3.8.4",
+        "json-stable-stringify": "1.0.1",
+        "levn": "0.3.0",
+        "lodash": "4.17.4",
+        "mkdirp": "0.5.1",
+        "natural-compare": "1.4.0",
+        "optionator": "0.8.2",
+        "path-is-inside": "1.0.2",
+        "pluralize": "1.2.1",
+        "progress": "1.1.8",
+        "require-uncached": "1.0.3",
+        "shelljs": "0.7.8",
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+        "strip-json-comments": "2.0.1",
+        "table": "3.8.3",
+        "text-table": "0.2.0",
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@@ -615,8 +602,8 @@
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       "dev": true,
       "requires": {
-        "acorn": "^5.0.1",
-        "acorn-jsx": "^3.0.0"
+        "acorn": "5.0.3",
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@@ -631,7 +618,7 @@
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       "dev": true,
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-        "estraverse": "^4.0.0"
+        "estraverse": "4.2.0"
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@@ -640,8 +627,8 @@
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       "dev": true,
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-        "estraverse": "~4.1.0",
-        "object-assign": "^4.0.1"
+        "estraverse": "4.1.1",
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@@ -670,8 +657,8 @@
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+        "d": "1.0.0",
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@@ -686,7 +673,7 @@
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       "dev": true,
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@@ -706,8 +693,8 @@
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-        "object-assign": "^4.1.0"
+        "escape-string-regexp": "1.0.5",
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-        "object-assign": "^4.0.1"
+        "flat-cache": "1.2.2",
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-        "del": "^2.0.2",
-        "graceful-fs": "^4.1.2",
-        "write": "^0.2.1"
+        "circular-json": "0.3.1",
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@@ -738,7 +725,7 @@
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       "dev": true,
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@@ -771,7 +758,7 @@
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       "dev": true,
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@@ -780,12 +767,12 @@
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-        "inherits": "2",
-        "minimatch": "^3.0.4",
-        "once": "^1.3.0",
-        "path-is-absolute": "^1.0.0"
+        "fs.realpath": "1.0.0",
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-        "glob": "^7.0.3",
-        "object-assign": "^4.0.1",
-        "pify": "^2.0.0",
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       "dev": true,
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@@ -829,7 +816,7 @@
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       "dev": true,
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-        "strip-ansi": "^3.0.0",
-        "through": "^2.3.6"
+        "ansi-escapes": "1.4.0",
+        "ansi-regex": "2.1.1",
+        "chalk": "1.1.3",
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+        "cli-width": "2.1.0",
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+        "lodash": "4.17.4",
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@@ -926,10 +913,10 @@
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-        "jsonpointer": "^4.0.0",
-        "xtend": "^4.0.0"
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@@ -944,7 +931,7 @@
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@@ -953,7 +940,7 @@
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@@ -974,7 +961,7 @@
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       "dev": true,
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@@ -983,7 +970,7 @@
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       "dev": true,
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-        "argparse": "^1.0.7",
-        "esprima": "^3.1.1"
+        "argparse": "1.0.9",
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       "dev": true,
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@@ -1058,8 +1045,8 @@
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       "dev": true,
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-        "prelude-ls": "~1.1.2",
-        "type-check": "~0.3.2"
+        "prelude-ls": "1.1.2",
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@@ -1080,7 +1067,7 @@
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       "dev": true,
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-        "brace-expansion": "^1.1.7"
+        "brace-expansion": "1.1.7"
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@@ -1146,7 +1133,7 @@
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@@ -1161,12 +1148,12 @@
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-        "type-check": "~0.3.2",
-        "wordwrap": "~1.0.0"
+        "deep-is": "0.1.3",
+        "fast-levenshtein": "2.0.6",
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-        "js-yaml": "^3.2.3"
+        "extend-shallow": "0.1.1",
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@@ -1221,7 +1208,7 @@
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       "dev": true,
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@@ -1254,8 +1241,8 @@
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-        "once": "^1.3.1"
+        "end-of-stream": "1.4.0",
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-        "safe-buffer": "~5.0.1",
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-        "util-deprecate": "~1.0.1"
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+        "code-point-at": "1.1.0",
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@@ -1290,7 +1277,7 @@
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       "dev": true,
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-        "resolve": "^1.1.6"
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-        "caller-path": "^0.1.0",
-        "resolve-from": "^1.0.0"
+        "caller-path": "0.1.0",
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       "dev": true,
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-        "path-parse": "^1.0.5"
+        "path-parse": "1.0.5"
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@@ -1324,8 +1311,8 @@
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       "dev": true,
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-        "exit-hook": "^1.0.0",
-        "onetime": "^1.0.0"
+        "exit-hook": "1.1.1",
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@@ -1334,7 +1321,7 @@
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       "dev": true,
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-        "through": "~2.3.4"
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@@ -1343,7 +1330,7 @@
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       "dev": true,
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-        "glob": "^7.0.5"
+        "glob": "7.1.2"
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@@ -1352,7 +1339,7 @@
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       "dev": true,
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-        "once": "^1.3.0"
+        "once": "1.4.0"
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@@ -1373,9 +1360,9 @@
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       "dev": true,
       "requires": {
-        "glob": "^7.0.0",
-        "interpret": "^1.0.0",
-        "rechoir": "^0.6.2"
+        "glob": "7.1.2",
+        "interpret": "1.0.3",
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@@ -1407,9 +1394,9 @@
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-        "is-fullwidth-code-point": "^1.0.0",
-        "strip-ansi": "^3.0.0"
+        "code-point-at": "1.1.0",
+        "is-fullwidth-code-point": "1.0.0",
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@@ -1418,9 +1405,9 @@
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       "dev": true,
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-        "define-properties": "^1.1.2",
-        "es-abstract": "^1.5.0",
-        "function-bind": "^1.0.2"
+        "define-properties": "1.1.2",
+        "es-abstract": "1.7.0",
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@@ -1429,7 +1416,7 @@
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       "dev": true,
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+        "safe-buffer": "5.0.1"
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@@ -1438,7 +1425,7 @@
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       "dev": true,
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@@ -1465,12 +1452,12 @@
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-        "ajv": "^4.7.0",
-        "ajv-keywords": "^1.0.0",
-        "chalk": "^1.1.1",
-        "lodash": "^4.0.0",
+        "ajv": "4.11.8",
+        "ajv-keywords": "1.5.1",
+        "chalk": "1.1.3",
+        "lodash": "4.17.4",
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@@ -1485,8 +1472,8 @@
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           "dev": true,
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-            "strip-ansi": "^3.0.0"
+            "is-fullwidth-code-point": "2.0.0",
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@@ -1497,19 +1484,19 @@
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-        "resolve": "~1.1.7",
-        "resumer": "~0.0.0",
-        "string.prototype.trim": "~1.1.2",
-        "through": "~2.3.8"
+        "deep-equal": "1.0.1",
+        "defined": "1.0.0",
+        "for-each": "0.3.2",
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+        "glob": "7.1.2",
+        "has": "1.0.1",
+        "inherits": "2.0.3",
+        "minimist": "1.2.0",
+        "object-inspect": "1.2.2",
+        "resolve": "1.1.7",
+        "resumer": "0.0.0",
+        "string.prototype.trim": "1.1.2",
+        "through": "2.3.8"
       },
       "dependencies": {
         "minimist": {
@@ -1532,8 +1519,8 @@
       "integrity": "sha1-dryf91CLPgV9CW9ErJqTw8rk7TQ=",
       "dev": true,
       "requires": {
-        "is-promise": "^2.1.0",
-        "onetime": "^2.0.0"
+        "is-promise": "2.1.0",
+        "onetime": "2.0.1"
       },
       "dependencies": {
         "onetime": {
@@ -1542,7 +1529,7 @@
           "integrity": "sha1-BnQoIw/WdEOyeUsiu6UotoZ5YtQ=",
           "dev": true,
           "requires": {
-            "mimic-fn": "^1.0.0"
+            "mimic-fn": "1.1.0"
           }
         }
       }
@@ -1553,9 +1540,9 @@
       "integrity": "sha1-pqgFU9ilTHPeHQrg553ncDVgXh0=",
       "dev": true,
       "requires": {
-        "mkdirp": "^0.5.0",
-        "pump": "^1.0.0",
-        "tar-stream": "^1.1.2"
+        "mkdirp": "0.5.1",
+        "pump": "1.0.2",
+        "tar-stream": "1.5.4"
       }
     },
     "tar-stream": {
@@ -1564,10 +1551,10 @@
       "integrity": "sha1-NlSc8E7RrumyowwBQyUiONr5QBY=",
       "dev": true,
       "requires": {
-        "bl": "^1.0.0",
-        "end-of-stream": "^1.0.0",
-        "readable-stream": "^2.0.0",
-        "xtend": "^4.0.0"
+        "bl": "1.2.1",
+        "end-of-stream": "1.4.0",
+        "readable-stream": "2.2.11",
+        "xtend": "4.0.1"
       }
     },
     "text-table": {
@@ -1594,7 +1581,7 @@
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
       "requires": {
-        "prelude-ls": "~1.1.2"
+        "prelude-ls": "1.1.2"
       }
     },
     "typedarray": {
@@ -1609,7 +1596,7 @@
       "integrity": "sha1-nHC/2Babwdy/SGBODwS4tJzenp8=",
       "dev": true,
       "requires": {
-        "os-homedir": "^1.0.0"
+        "os-homedir": "1.0.2"
       }
     },
     "util-deprecate": {
@@ -1629,12 +1616,12 @@
       "resolved": "https://registry.npmjs.org/winston/-/winston-2.3.1.tgz",
       "integrity": "sha1-C0hCDZeMAYBM8CMLZIhhWYIloRk=",
       "requires": {
-        "async": "~1.0.0",
-        "colors": "1.0.x",
-        "cycle": "1.0.x",
-        "eyes": "0.1.x",
-        "isstream": "0.1.x",
-        "stack-trace": "0.0.x"
+        "async": "1.0.0",
+        "colors": "1.0.3",
+        "cycle": "1.0.3",
+        "eyes": "0.1.8",
+        "isstream": "0.1.2",
+        "stack-trace": "0.0.10"
       }
     },
     "wordwrap": {
@@ -1655,7 +1642,7 @@
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
       "dev": true,
       "requires": {
-        "mkdirp": "^0.5.1"
+        "mkdirp": "0.5.1"
       }
     },
     "write-yaml": {
@@ -1664,10 +1651,10 @@
       "integrity": "sha1-EG+Deg6dwO600i9jJAWj2CTO14c=",
       "dev": true,
       "requires": {
-        "extend-shallow": "^2.0.1",
-        "js-yaml": "^3.4.3",
-        "lazy-cache": "^0.2.4",
-        "write": "^0.2.1"
+        "extend-shallow": "2.0.1",
+        "js-yaml": "3.8.4",
+        "lazy-cache": "0.2.7",
+        "write": "0.2.1"
       },
       "dependencies": {
         "extend-shallow": {
@@ -1676,7 +1663,7 @@
           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
           "dev": true,
           "requires": {
-            "is-extendable": "^0.1.0"
+            "is-extendable": "0.1.1"
           }
         }
       }
diff --git a/package.json b/package.json
index 7019c1f..39eafa7 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,6 @@
   "license": "MIT",
   "description": "Manage docker-compose from Node.js",
   "dependencies": {
-    "es6-promisify": "^5.0.0",
     "winston": "^2.3.1"
   },
   "devDependencies": {