diff --git a/flow-typed/uglify.js b/flow-typed/uglify.js
index 29a3e85a..3ad651e0 100644
--- a/flow-typed/uglify.js
+++ b/flow-typed/uglify.js
@@ -9,6 +9,60 @@
 
 'use strict';
 
+type _Input =
+  | string // code or file name
+  | Array<string> // array of file names
+  | {[filename: string]: string}; // file names and corresponding code
+
+
+type _Options = {
+  // https://github.com/mishoo/UglifyJS2/tree/harmony#compress-options
+  compress?: false | Object,
+  ie8?: boolean,
+  mangle?: boolean | {
+    eval?: boolean,
+    keep_fnames?: boolean,
+    properties?: boolean | {
+      builtins?: boolean,
+      debug?: boolean,
+      keep_quoted?: boolean,
+      regex?: RegExp,
+      reserved?: Array<string>,
+    },
+    reserved?: Array<string>,
+    safari10?: boolean,
+    toplevel?: boolean,
+  },
+  output?: {
+    ascii_only?: boolean,
+    beautify?: boolean,
+    bracketize?: boolean,
+    comments?: boolean | 'all' | 'some' | RegExp | Function,
+    ecma?: 5 | 6,
+    indent_level?: number,
+    indent_start?: number,
+    inline_script?: number,
+    keep_quoted_props?: boolean,
+    max_line_len?: false | number,
+    preamble?: string,
+    preserve_line?: boolean,
+    quote_keys?: boolean,
+    quote_style?: 0 | 1 | 2 | 3,
+    semicolons?: boolean,
+    shebang?: boolean,
+    width?: number,
+    wrap_iife?: boolean,
+  },
+  parse?: {
+    bare_returns: boolean,
+    html5_comments: boolean,
+    shebang: boolean,
+  },
+  sourceMap?: false,
+  toplevel?: boolean,
+  warnings?: boolean | 'verbose',
+};
+
 type _SourceMap = {
   file?: string,
   mappings: string,
@@ -19,53 +73,24 @@ type _SourceMap = {
   version: number,
 };
 
-type _Result<MapT> = {
-  code: string,
-  map: MapT,
+type _SourceMapOptions = true | {
+  filename?: string,
+  content?: ?string | _SourceMap,
+  includeSources?: boolean,
+  root?: string,
+  url?: string,
 };
 
-type _Options = {
-  compress?: false | {||},
-  fromString?: boolean,
-  inSourceMap?: string | ?_SourceMap,
-  mangle?: boolean | {|
-    except?: Array<string>,
-    toplevel?: boolean,
-    eval?: boolean,
-    keep_fnames?: boolean,
-  |},
-  mangleProperties?: boolean | {|
-    regex?: RegExp,
-    ignore_quoted?: boolean,
-    debug?: false | string,
-  |},
-  outFileName?: string,
-  output?: {|
-    ascii_only?: boolean,
-    screw_ie8?: boolean,
-  |},
-  parse?: {|
-    strict?: boolean,
-    bare_returns?: boolean,
-    filename?: string,
-  |},
-  sourceMapUrl?: string,
-  sourceRoot?: string,
-  warnings?: boolean,
-};
+type _Error = {|error: Error|};
+type _Result = {|code: string, warnings?: Array<string>|};
 
-type _Input =
-  | string // code or file name
-  | Array<string> // array of file names
-  | {[filename: string]: string}; // file names and corresponding code
-
-declare module 'uglify-js' {
+declare module 'uglify-es' {
   declare function minify(
-    fileOrFilesOrCode: _Input,
-    options?: _Options & {outSourceMap?: ?false | ''},
-  ): _Result<void>;
+    code: _Input,
+    options?: _Options,
+  ): _Error | _Result;
   declare function minify(
-    fileOrFilesOrCode: _Input,
-    options?: _Options & {outSourceMap: true | string},
-  ): _Result<string>;
+    code: _Input,
+    options: {..._Options, sourceMap: _SourceMapOptions},
+  ): _Error | {|..._Result, map: string|};
 }
diff --git a/packages/metro-bundler/package.json b/packages/metro-bundler/package.json
index 312e8f02..53f5a330 100644
--- a/packages/metro-bundler/package.json
+++ b/packages/metro-bundler/package.json
@@ -39,7 +39,7 @@
     "source-map": "^0.5.6",
     "temp": "0.8.3",
     "throat": "^3.0.0",
-    "uglify-js": "2.7.5",
+    "uglify-es": "^3.0.15",
     "write-file-atomic": "^1.2.0",
     "xpipe": "^1.0.5"
   }
diff --git a/packages/metro-bundler/src/Bundler/__tests__/Bundler-test.js b/packages/metro-bundler/src/Bundler/__tests__/Bundler-test.js
index 818f9faf..5c3d18e7 100644
--- a/packages/metro-bundler/src/Bundler/__tests__/Bundler-test.js
+++ b/packages/metro-bundler/src/Bundler/__tests__/Bundler-test.js
@@ -11,7 +11,7 @@
 jest
   .setMock('worker-farm', () => () => undefined)
   .setMock('../../worker-farm', () => () => undefined)
-  .setMock('uglify-js')
+  .setMock('../../JSTransformer/worker/minify')
   .mock('image-size')
   .mock('fs')
   .mock('os')
diff --git a/packages/metro-bundler/src/JSTransformer/worker/__tests__/minify-test.js b/packages/metro-bundler/src/JSTransformer/worker/__tests__/minify-test.js
index 927fe39f..37a68aae 100644
--- a/packages/metro-bundler/src/JSTransformer/worker/__tests__/minify-test.js
+++ b/packages/metro-bundler/src/JSTransformer/worker/__tests__/minify-test.js
@@ -10,7 +10,7 @@
  */
 'use strict';
 
-jest.mock('uglify-js', () => ({
+jest.mock('uglify-es', () => ({
   minify: jest.fn(code => {
     return {
       code: code.replace(/(^|\W)\s+/g, '$1'),
@@ -29,7 +29,7 @@ describe('Minification:', () => {
   let uglify;
 
   beforeEach(() => {
-    uglify = require('uglify-js');
+    uglify = require('uglify-es');
     uglify.minify.mockClear();
     uglify.minify.mockReturnValue({code: '', map: '{}'});
     map = {version: 3, sources: ['?'], mappings: ''};
@@ -40,9 +40,10 @@ describe('Minification:', () => {
     expect(uglify.minify).toBeCalledWith(
       code,
       objectContaining({
-        fromString: true,
-        inSourceMap: map,
-        outSourceMap: true,
+        sourceMap: {
+          content: map,
+          includeSources: true,
+        },
       }),
     );
   });
@@ -52,8 +53,10 @@ describe('Minification:', () => {
     expect(uglify.minify).toBeCalledWith(
       code,
       objectContaining({
-        fromString: true,
-        outSourceMap: true,
+        sourceMap: {
+          content: undefined,
+          includeSources: true,
+        },
       }),
     );
   });
diff --git a/packages/metro-bundler/src/JSTransformer/worker/minify.js b/packages/metro-bundler/src/JSTransformer/worker/minify.js
index c4d40f7f..b1270584 100644
--- a/packages/metro-bundler/src/JSTransformer/worker/minify.js
+++ b/packages/metro-bundler/src/JSTransformer/worker/minify.js
@@ -12,7 +12,7 @@
 
 'use strict';
 
-const uglify = require('uglify-js');
+const uglify = require('uglify-es');
 
 import type {MappingsMap} from '../../lib/SourceMap';
 type ResultWithMap = {
@@ -20,11 +20,6 @@ type ResultWithMap = {
   map: MappingsMap,
 };
 
-const UGLIFY_JS_OUTPUT_OPTIONS = {
-  ascii_only: true,
-  screw_ie8: true,
-};
-
 function noSourceMap(code: string): string {
   return minify(code).code;
 }
@@ -42,12 +37,28 @@ function withSourceMap(
 }
 
 function minify(inputCode: string, inputMap: ?MappingsMap) {
-  return uglify.minify(inputCode, {
-    fromString: true,
-    inSourceMap: inputMap,
-    outSourceMap: true,
-    output: UGLIFY_JS_OUTPUT_OPTIONS,
+  const result = uglify.minify(inputCode, {
+    mangle: {toplevel: true},
+    output: {
+      ascii_only: true,
+      quote_style: 3,
+      wrap_iife: true,
+    },
+    sourceMap: {
+      content: inputMap,
+      includeSources: true,
+    },
+    toplevel: true,
   });
+
+  if (result.error) {
+    throw result.error;
+  }
+
+  return {
+    code: result.code,
+    map: result.map,
+  };
 }
 
 module.exports = {
diff --git a/packages/metro-bundler/src/Server/__tests__/Server-test.js b/packages/metro-bundler/src/Server/__tests__/Server-test.js
index acf75a5d..0000f326 100644
--- a/packages/metro-bundler/src/Server/__tests__/Server-test.js
+++ b/packages/metro-bundler/src/Server/__tests__/Server-test.js
@@ -12,7 +12,7 @@
 jest.mock('../../worker-farm', () => () => () => {})
     .mock('worker-farm', () => () => () => {})
     .mock('timers', () => ({setImmediate: fn => setTimeout(fn, 0)}))
-    .mock('uglify-js')
+    .mock('../../JSTransformer/worker/minify')
     .mock('crypto')
     .mock(
       '../symbolicate',
diff --git a/packages/metro-bundler/yarn.lock b/packages/metro-bundler/yarn.lock
index ae1c2f5d..0638d9c2 100644
--- a/packages/metro-bundler/yarn.lock
+++ b/packages/metro-bundler/yarn.lock
@@ -13,14 +13,6 @@ ajv@^4.9.1:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
-align-text@^0.1.1, align-text@^0.1.3:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
-  dependencies:
-    kind-of "^3.0.2"
-    longest "^1.0.1"
-    repeat-string "^1.5.2"
-
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -76,10 +68,6 @@ async@^2.4.0:
   dependencies:
     lodash "^4.14.0"
 
-async@~0.2.6:
-  version "0.2.10"
-  resolved "https://registry.yarnpkg.com/async/-/async-0.2.10.tgz#b6bbe0b0674b9d719708ca38de8c237cb526c3d1"
-
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -658,21 +646,10 @@ buffer-shims@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-shims/-/buffer-shims-1.0.0.tgz#9978ce317388c649ad8793028c3477ef044a8b51"
 
-camelcase@^1.0.2:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
-
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
 
-center-align@^0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/center-align/-/center-align-0.1.3.tgz#aa0d32629b6ee972200411cbd4461c907bc2b7ad"
-  dependencies:
-    align-text "^0.1.3"
-    lazy-cache "^1.0.3"
-
 chalk@^1.1.0, chalk@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
@@ -683,14 +660,6 @@ chalk@^1.1.0, chalk@^1.1.1:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-cliui@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
-  dependencies:
-    center-align "^0.1.1"
-    right-align "^0.1.1"
-    wordwrap "0.0.2"
-
 co@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
@@ -701,6 +670,12 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
+commander@~2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
+  dependencies:
+    graceful-readlink ">= 1.0.0"
+
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
@@ -747,10 +722,6 @@ debug@^2.1.1, debug@^2.2.0:
   dependencies:
     ms "2.0.0"
 
-decamelize@^1.0.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
-
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
@@ -936,6 +907,10 @@ graceful-fs@^4.1.11, graceful-fs@^4.1.3:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
+"graceful-readlink@>= 1.0.0":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
+
 har-schema@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-1.0.5.tgz#d263135f43307c02c602afc8fe95970c0151369e"
@@ -1165,10 +1140,6 @@ kind-of@^3.0.2:
   dependencies:
     is-buffer "^1.0.2"
 
-lazy-cache@^1.0.3:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
-
 left-pad@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.1.3.tgz#612f61c033f3a9e08e939f1caebeea41b6f3199a"
@@ -1177,10 +1148,6 @@ lodash@^4.14.0, lodash@^4.16.6, lodash@^4.2.0, lodash@^4.6.1:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
-longest@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
-
 loose-envify@^1.0.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
@@ -1501,12 +1468,6 @@ request@^2.79.0:
     tunnel-agent "^0.6.0"
     uuid "^3.0.0"
 
-right-align@^0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
-  dependencies:
-    align-text "^0.1.1"
-
 rimraf@^2.5.4:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.1.tgz#c2338ec643df7a1b7fe5c54fa86f57428a55f33d"
@@ -1647,18 +1608,12 @@ ua-parser-js@^0.7.9:
   version "0.7.12"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.12.tgz#04c81a99bdd5dc52263ea29d24c6bf8d4818a4bb"
 
-uglify-js@2.7.5:
-  version "2.7.5"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.7.5.tgz#4612c0c7baaee2ba7c487de4904ae122079f2ca8"
+uglify-es@^3.0.15:
+  version "3.0.15"
+  resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.0.15.tgz#4a23d0e9cb5f25f7bb3f1f0bbe0bb364e600d047"
   dependencies:
-    async "~0.2.6"
+    commander "~2.9.0"
     source-map "~0.5.1"
-    uglify-to-browserify "~1.0.0"
-    yargs "~3.10.0"
-
-uglify-to-browserify@~1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
 
 util-deprecate@~1.0.1:
   version "1.0.2"
@@ -1688,14 +1643,6 @@ whatwg-fetch@>=0.10.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
 
-window-size@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
-
-wordwrap@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
-
 worker-farm@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.3.1.tgz#4333112bb49b17aa050b87895ca6b2cacf40e5ff"
@@ -1722,12 +1669,3 @@ xpipe@^1.0.5:
 "xtend@>=4.0.0 <4.1.0-0":
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
-
-yargs@~3.10.0:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
-  dependencies:
-    camelcase "^1.0.2"
-    cliui "^2.1.0"
-    decamelize "^1.0.0"
-    window-size "0.1.0"