diff --git a/package-lock.json b/package-lock.json
index e9158743..83981b5e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,20 +26,21 @@
     "agent-base": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-2.1.1.tgz",
-      "integrity": "sha1-1t4Q1a9hMtW9aSQn1G/FOFOQlMc=",
-      "dependencies": {
-        "semver": {
-          "version": "5.0.3",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.0.3.tgz",
-          "integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no="
-        }
-      }
+      "integrity": "sha1-1t4Q1a9hMtW9aSQn1G/FOFOQlMc="
     },
     "ajv": {
       "version": "4.11.8",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
       "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
-      "dev": true
+      "dev": true,
+      "dependencies": {
+        "co": {
+          "version": "4.6.0",
+          "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
+          "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=",
+          "dev": true
+        }
+      }
     },
     "ajv-keywords": {
       "version": "1.5.1",
@@ -112,11 +113,6 @@
       "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.9.12.tgz",
       "integrity": "sha1-sTYwDWcCZiWuFTJpgsqZGOXbc8k="
     },
-    "async": {
-      "version": "0.9.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz",
-      "integrity": "sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0="
-    },
     "aws-sdk": {
       "version": "2.71.0",
       "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.71.0.tgz",
@@ -135,9 +131,9 @@
       "dev": true
     },
     "balanced-match": {
-      "version": "0.4.2",
-      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-0.4.2.tgz",
-      "integrity": "sha1-yz8+PHMtwPAe5wtAPzAuYddwmDg="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
     },
     "base64-js": {
       "version": "1.2.0",
@@ -145,9 +141,9 @@
       "integrity": "sha1-o5mS1yNYSBGYK+XikLtqU9hnAPE="
     },
     "brace-expansion": {
-      "version": "1.1.7",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.7.tgz",
-      "integrity": "sha1-Pv/DxQ4ABTH7cg6v+A8K6O8jz1k="
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.8.tgz",
+      "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI="
     },
     "browser-stdout": {
       "version": "1.3.0",
@@ -159,11 +155,6 @@
       "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.0.6.tgz",
       "integrity": "sha1-LqZp9+7Atu2gWwj4tf9mGyhXNYg="
     },
-    "buffer-shims": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/buffer-shims/-/buffer-shims-1.0.0.tgz",
-      "integrity": "sha1-mXjOMXOIxkmth5MCjDR37wRKi1E="
-    },
     "builtin-modules": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
@@ -226,10 +217,9 @@
       "dev": true
     },
     "co": {
-      "version": "4.6.0",
-      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
-      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=",
-      "dev": true
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/co/-/co-3.0.6.tgz",
+      "integrity": "sha1-FEXyJsXrlWE45oyawwFn6n0ua9o="
     },
     "code-point-at": {
       "version": "1.1.0",
@@ -281,9 +271,9 @@
       "integrity": "sha1-RuE6udqOMJdFyNAc5UchPr2y/j8="
     },
     "debug": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.0.tgz",
-      "integrity": "sha1-vFlryr52F/Edn6FTYe3tVgi4SZs="
+      "version": "2.6.8",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.8.tgz",
+      "integrity": "sha1-5zFTHKLt4n0YgiJCfaF4IdaP9Pw="
     },
     "debug-log": {
       "version": "1.0.1",
@@ -334,7 +324,15 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-2.0.0.tgz",
       "integrity": "sha1-xz2NKQnSIpHhoAejlYBNqLZl/mM=",
-      "dev": true
+      "dev": true,
+      "dependencies": {
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+          "dev": true
+        }
+      }
     },
     "dotenv": {
       "version": "0.4.0",
@@ -360,9 +358,9 @@
       "dev": true
     },
     "es5-ext": {
-      "version": "0.10.22",
-      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.22.tgz",
-      "integrity": "sha512-YXTXSlZkJsVwMEVljp1Bh5P9+Raa3524OMl9kywGMp1aazKTCnAqORRL/8dkuqNHk+LRYe0LezuS8PlUt3+mOw==",
+      "version": "0.10.23",
+      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.23.tgz",
+      "integrity": "sha1-dXi1G+l0IHpUh4IbVlOMIk5Oezg=",
       "dev": true
     },
     "es6-iterator": {
@@ -409,11 +407,6 @@
           "version": "2.7.3",
           "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
           "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE="
-        },
-        "estraverse": {
-          "version": "1.9.3",
-          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-1.9.3.tgz",
-          "integrity": "sha1-r2fy3JIlgkFZUJJgkaQAXSnJu0Q="
         }
       }
     },
@@ -421,13 +414,29 @@
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/escope/-/escope-3.6.0.tgz",
       "integrity": "sha1-4Bl16BJ4GhY6ba392AOY3GTIicM=",
-      "dev": true
+      "dev": true,
+      "dependencies": {
+        "estraverse": {
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.2.0.tgz",
+          "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
+          "dev": true
+        }
+      }
     },
     "eslint": {
       "version": "3.19.0",
       "resolved": "https://registry.npmjs.org/eslint/-/eslint-3.19.0.tgz",
       "integrity": "sha1-yPxiAcf0DdCJQbh8CFdnOGpnmsw=",
-      "dev": true
+      "dev": true,
+      "dependencies": {
+        "estraverse": {
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.2.0.tgz",
+          "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
+          "dev": true
+        }
+      }
     },
     "eslint-config-standard": {
       "version": "10.2.1",
@@ -478,6 +487,12 @@
           "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
           "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
           "dev": true
+        },
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+          "dev": true
         }
       }
     },
@@ -485,7 +500,15 @@
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/eslint-plugin-node/-/eslint-plugin-node-4.2.2.tgz",
       "integrity": "sha1-gpWcqa7Xn8vSi7GxiNBcrAT7M2M=",
-      "dev": true
+      "dev": true,
+      "dependencies": {
+        "semver": {
+          "version": "5.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
+          "dev": true
+        }
+      }
     },
     "eslint-plugin-promise": {
       "version": "3.5.0",
@@ -504,6 +527,12 @@
           "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
           "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
           "dev": true
+        },
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+          "dev": true
         }
       }
     },
@@ -528,7 +557,15 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.0.0.tgz",
       "integrity": "sha1-z7qLV9f7qT8XKYqKAGoEzaE9gPo=",
-      "dev": true
+      "dev": true,
+      "dependencies": {
+        "estraverse": {
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.2.0.tgz",
+          "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
+          "dev": true
+        }
+      }
     },
     "esrecurse": {
       "version": "4.1.0",
@@ -545,10 +582,9 @@
       }
     },
     "estraverse": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.2.0.tgz",
-      "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
-      "dev": true
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-1.9.3.tgz",
+      "integrity": "sha1-r2fy3JIlgkFZUJJgkaQAXSnJu0Q="
     },
     "esutils": {
       "version": "2.0.2",
@@ -639,20 +675,10 @@
       "resolved": "https://registry.npmjs.org/ftp/-/ftp-0.3.10.tgz",
       "integrity": "sha1-kZfYYa2BQvPmPVqDv+TFn3MwiF0=",
       "dependencies": {
-        "isarray": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
-        },
         "readable-stream": {
           "version": "1.1.14",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk="
-        },
-        "string_decoder": {
-          "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
         }
       }
     },
@@ -691,9 +717,9 @@
       "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ=="
     },
     "globals": {
-      "version": "9.17.0",
-      "resolved": "https://registry.npmjs.org/globals/-/globals-9.17.0.tgz",
-      "integrity": "sha1-DAymltm5u2lNLlRwvTd3fKrVAoY=",
+      "version": "9.18.0",
+      "resolved": "https://registry.npmjs.org/globals/-/globals-9.18.0.tgz",
+      "integrity": "sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==",
       "dev": true
     },
     "globby": {
@@ -866,9 +892,9 @@
       "dev": true
     },
     "isarray": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
     },
     "jmespath": {
       "version": "0.15.0",
@@ -1043,17 +1069,27 @@
       "resolved": "https://registry.npmjs.org/mocha/-/mocha-3.4.2.tgz",
       "integrity": "sha1-0O9NMyEm2/GNDWQMmzgt1IvpdZQ=",
       "dependencies": {
+        "debug": {
+          "version": "2.6.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.0.tgz",
+          "integrity": "sha1-vFlryr52F/Edn6FTYe3tVgi4SZs="
+        },
         "glob": {
           "version": "7.1.1",
           "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.1.tgz",
           "integrity": "sha1-gFIR3wT6rxxjo2ADBs31reULLsg="
+        },
+        "ms": {
+          "version": "0.7.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
+          "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U="
         }
       }
     },
     "ms": {
-      "version": "0.7.2",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
-      "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
     "mute-stream": {
       "version": "0.0.5",
@@ -1143,14 +1179,7 @@
     "pac-resolver": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/pac-resolver/-/pac-resolver-2.0.0.tgz",
-      "integrity": "sha1-mbiNLxk/ve78HJpSnB8yYKtSd80=",
-      "dependencies": {
-        "co": {
-          "version": "3.0.6",
-          "resolved": "https://registry.npmjs.org/co/-/co-3.0.6.tgz",
-          "integrity": "sha1-FEXyJsXrlWE45oyawwFn6n0ua9o="
-        }
-      }
+      "integrity": "sha1-mbiNLxk/ve78HJpSnB8yYKtSd80="
     },
     "pako": {
       "version": "0.2.9",
@@ -1279,9 +1308,21 @@
       "integrity": "sha1-mUl2z2pQlqQRYoQEkvC9xdbn+5Y="
     },
     "readable-stream": {
-      "version": "2.2.9",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.9.tgz",
-      "integrity": "sha1-z3jsb0ptHrQ9JkiMrJfwQudLf8g="
+      "version": "2.2.11",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.11.tgz",
+      "integrity": "sha512-h+8+r3MKEhkiVrwdKL8aWs1oc1VvBu33ueshOvS26RsZQ3Amhx/oO3TKe4lApSV9ueY6as8EAh7mtuFjdlhg9Q==",
+      "dependencies": {
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+        },
+        "string_decoder": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.2.tgz",
+          "integrity": "sha1-sp4fThEl+pehA4K4pTNze3SR4Xk="
+        }
+      }
     },
     "readline2": {
       "version": "1.0.1",
@@ -1359,15 +1400,14 @@
       "integrity": "sha1-e45lYZCyKOgaZq6nSEgNgozS03o="
     },
     "semver": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
-      "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
-      "dev": true
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.0.3.tgz",
+      "integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no="
     },
     "shelljs": {
-      "version": "0.7.7",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.7.7.tgz",
-      "integrity": "sha1-svXHfvlxSPS09uImguELuoZnz/E=",
+      "version": "0.7.8",
+      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.7.8.tgz",
+      "integrity": "sha1-3svPh0sNHl+3LhSxZKloMEjprLM=",
       "dev": true
     },
     "sinon": {
@@ -1437,9 +1477,9 @@
       }
     },
     "string_decoder": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.1.tgz",
-      "integrity": "sha1-YuIA8DmVWmgQ2N8KM//A8BNmLZg="
+      "version": "0.10.31",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+      "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
     },
     "string-width": {
       "version": "1.0.2",
diff --git a/package.json b/package.json
index 15c6753d..a79b4580 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,6 @@
     "standard": "^10.0.2"
   },
   "dependencies": {
-    "async": "^0.9.0",
     "aws-sdk": "^2.71.0",
     "commander": "^2.5.0",
     "dotenv": "^0.4.0",
diff --git a/test/main.js b/test/main.js
index 4c9e1ce1..746b7a5f 100644
--- a/test/main.js
+++ b/test/main.js
@@ -560,18 +560,18 @@ describe('lib/main', function () {
     })
   })
 
-  describe('_archive', function () {
-    it('installs and zips with an index.js file and node_modules/async', function (done) {
+  describe('_archive', () => {
+    it('installs and zips with an index.js file and node_modules/aws-sdk', function (done) {
       _timeout({ this: this, sec: 30 }) // give it time to zip
 
-      lambda._archive(program, function (err, data) {
+      lambda._archive(program, (err, data) => {
         assert.isNull(err)
-        var archive = new Zip(data)
-        var contents = Object.keys(archive.files).map(function (k) {
+        const archive = new Zip(data)
+        const contents = Object.keys(archive.files).map((k) => {
           return archive.files[k].name.toString()
         })
         assert.include(contents, 'index.js')
-        assert.include(contents, path.join('node_modules', 'async', 'lib', 'async.js'))
+        assert.include(contents, path.join('node_modules', 'aws-sdk', 'lib', 'aws.js'))
         done()
       })
     })
@@ -656,20 +656,20 @@ describe('lib/main', function () {
       })
     })
 
-    describe('If value is set in `deployZipfile`, _readArchive is executed in _archive', function () {
+    describe('If value is set in `deployZipfile`, _readArchive is executed in _archive', () => {
       it('`deployZipfile` is a invalid value. Process from creation of zip file', function (done) {
         const filePath = path.join(path.resolve('/aaaa'), 'bbbb')
         const _program = Object.assign({ deployZipfile: filePath }, program)
         _timeout({ this: this, sec: 30 }) // give it time to zip
-        lambda._archive(_program, function (err, data) {
+        lambda._archive(_program, (err, data) => {
           assert.isNull(err)
-          // same test as "installs and zips with an index.js file and node_modules/async"
-          var archive = new Zip(data)
-          var contents = Object.keys(archive.files).map(function (k) {
+          // same test as "installs and zips with an index.js file and node_modules/aws-sdk"
+          const archive = new Zip(data)
+          const contents = Object.keys(archive.files).map((k) => {
             return archive.files[k].name.toString()
           })
           assert.include(contents, 'index.js')
-          assert.include(contents, path.join('node_modules', 'async', 'lib', 'async.js'))
+          assert.include(contents, path.join('node_modules', 'aws-sdk', 'lib', 'aws.js'))
           done()
         })
       })
diff --git a/yarn.lock b/yarn.lock
index e594794a..7e8e8318 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -85,10 +85,6 @@ ast-types@0.x.x:
   version "0.9.12"
   resolved "https://registry.yarnpkg.com/ast-types/-/ast-types-0.9.12.tgz#b136300d67026625ae15326982ca9918e5db73c9"
 
-async@^0.9.0:
-  version "0.9.2"
-  resolved "https://registry.yarnpkg.com/async/-/async-0.9.2.tgz#aea74d5e61c1f899613bf64bda66d4c78f2fd17d"
-
 aws-sdk-mock@^1.6.1:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/aws-sdk-mock/-/aws-sdk-mock-1.7.0.tgz#7698b3ba82f493f71ff060ae2123cd0806ad8676"