diff --git a/package.json b/package.json
index 4fd91f9fd2..e06fa98e25 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "gulp-watch": "^4.3.5",
     "istanbul": "^0.3.5",
     "lerna": "^1.0.0",
-    "lodash": "^3.10.0",
+    "lodash": "^4.2.0",
     "matcha": "^0.6.0",
     "mkdirp": "^0.5.1",
     "mocha": "2.2.0",
diff --git a/packages/babel-cli/package.json b/packages/babel-cli/package.json
index dba7dae579..11d1cf9374 100644
--- a/packages/babel-cli/package.json
+++ b/packages/babel-cli/package.json
@@ -17,7 +17,7 @@
     "convert-source-map": "^1.1.0",
     "fs-readdir-recursive": "^0.1.0",
     "glob": "^5.0.5",
-    "lodash": "^3.2.0",
+    "lodash": "^4.2.0",
     "log-symbols": "^1.0.2",
     "output-file-sync": "^1.1.0",
     "path-exists": "^1.0.0",
diff --git a/packages/babel-cli/src/babel/index.js b/packages/babel-cli/src/babel/index.js
index dd39333f28..f23f6f43d1 100755
--- a/packages/babel-cli/src/babel/index.js
+++ b/packages/babel-cli/src/babel/index.js
@@ -5,11 +5,11 @@ require("babel-core");
 
 let pathExists = require("path-exists");
 let commander  = require("commander");
-let kebabCase  = require("lodash/string/kebabCase");
+let kebabCase  = require("lodash/kebabCase");
 let options    = require("babel-core").options;
 let util       = require("babel-core").util;
-let uniq       = require("lodash/array/uniq");
-let each       = require("lodash/collection/each");
+let uniq       = require("lodash/uniq");
+let each       = require("lodash/each");
 let glob       = require("glob");
 
 each(options, function (option, key) {
diff --git a/packages/babel-cli/test/index.js b/packages/babel-cli/test/index.js
index 31a2fd4cde..158815a06c 100644
--- a/packages/babel-cli/test/index.js
+++ b/packages/babel-cli/test/index.js
@@ -48,7 +48,7 @@ var assertTest = function (stdout, stderr, opts) {
 
   if (opts.stderr) {
     if (opts.stderrContains) {
-      assert.ok(_.contains(stderr, expectStderr), "stderr " + JSON.stringify(stderr) + " didn't contain " + JSON.stringify(expectStderr));
+      assert.ok(_.includes(stderr, expectStderr), "stderr " + JSON.stringify(stderr) + " didn't contain " + JSON.stringify(expectStderr));
     } else {
       chai.expect(stderr).to.equal(expectStderr, "stderr didn't match");
     }
@@ -62,7 +62,7 @@ var assertTest = function (stdout, stderr, opts) {
 
   if (opts.stdout) {
     if (opts.stdoutContains) {
-      assert.ok(_.contains(stdout, expectStdout), "stdout " + JSON.stringify(stdout) + " didn't contain " + JSON.stringify(expectStdout));
+      assert.ok(_.includes(stdout, expectStdout), "stdout " + JSON.stringify(stdout) + " didn't contain " + JSON.stringify(expectStdout));
     } else {
       chai.expect(stdout).to.equal(expectStdout, "stdout didn't match");
     }
diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 2f3d95616a..f58104b71f 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -37,7 +37,7 @@
     "convert-source-map": "^1.1.0",
     "debug": "^2.1.1",
     "json5": "^0.4.0",
-    "lodash": "^3.10.0",
+    "lodash": "^4.2.0",
     "minimatch": "^2.0.3",
     "path-exists": "^1.0.0",
     "path-is-absolute": "^1.0.0",
diff --git a/packages/babel-core/src/api/node.js b/packages/babel-core/src/api/node.js
index 4cd086ea0b..f3c9e915ea 100644
--- a/packages/babel-core/src/api/node.js
+++ b/packages/babel-core/src/api/node.js
@@ -1,4 +1,4 @@
-import isFunction from "lodash/lang/isFunction";
+import isFunction from "lodash/isFunction";
 import fs from "fs";
 
 //
diff --git a/packages/babel-core/src/helpers/merge.js b/packages/babel-core/src/helpers/merge.js
index 8d3b4e7f63..5a695f6afa 100644
--- a/packages/babel-core/src/helpers/merge.js
+++ b/packages/babel-core/src/helpers/merge.js
@@ -1,9 +1,9 @@
-import merge from "lodash/object/merge";
+import mergeWith from "lodash/mergeWith";
 
 export default function (dest?: Object, src?: Object): ?Object {
   if (!dest || !src) return;
 
-  return merge(dest, src, function (a, b) {
+  return mergeWith(dest, src, function (a, b) {
     if (b && Array.isArray(a)) {
       let newArray = b.slice(0);
 
diff --git a/packages/babel-core/src/tools/build-external-helpers.js b/packages/babel-core/src/tools/build-external-helpers.js
index ebc98b6ecd..a26febd34b 100644
--- a/packages/babel-core/src/tools/build-external-helpers.js
+++ b/packages/babel-core/src/tools/build-external-helpers.js
@@ -4,7 +4,7 @@ import * as helpers from "babel-helpers";
 import generator from "babel-generator";
 import * as messages from "babel-messages";
 import template from "babel-template";
-import each from "lodash/collection/each";
+import each from "lodash/each";
 import * as t from "babel-types";
 
 let buildUmdWrapper = template(`
diff --git a/packages/babel-core/src/transformation/file/index.js b/packages/babel-core/src/transformation/file/index.js
index 1a16d77982..e4f5dbcbcb 100644
--- a/packages/babel-core/src/transformation/file/index.js
+++ b/packages/babel-core/src/transformation/file/index.js
@@ -12,7 +12,7 @@ import { NodePath, Hub, Scope } from "babel-traverse";
 import sourceMap from "source-map";
 import generate from "babel-generator";
 import codeFrame from "babel-code-frame";
-import defaults from "lodash/object/defaults";
+import defaults from "lodash/defaults";
 import traverse from "babel-traverse";
 import Logger from "./logger";
 import Store from "../../store";
diff --git a/packages/babel-core/src/transformation/file/options/option-manager.js b/packages/babel-core/src/transformation/file/options/option-manager.js
index 4a5f025138..ee59b46a70 100644
--- a/packages/babel-core/src/transformation/file/options/option-manager.js
+++ b/packages/babel-core/src/transformation/file/options/option-manager.js
@@ -9,8 +9,8 @@ import resolve from "../../../helpers/resolve";
 import json5 from "json5";
 import isAbsolute from "path-is-absolute";
 import pathExists from "path-exists";
-import cloneDeep from "lodash/lang/cloneDeep";
-import clone from "lodash/lang/clone";
+import cloneDeepWith from "lodash/cloneDeepWith";
+import clone from "lodash/clone";
 import merge from "../../../helpers/merge";
 import config from "./config";
 import removed from "./removed";
@@ -208,7 +208,7 @@ export default class OptionManager {
     }
 
     //
-    let opts = cloneDeep(rawOpts, (val) => {
+    let opts = cloneDeepWith(rawOpts, (val) => {
       if (val instanceof Plugin) {
         return val;
       }
diff --git a/packages/babel-core/src/transformation/internal-plugins/block-hoist.js b/packages/babel-core/src/transformation/internal-plugins/block-hoist.js
index c1934abf43..afd312b1de 100644
--- a/packages/babel-core/src/transformation/internal-plugins/block-hoist.js
+++ b/packages/babel-core/src/transformation/internal-plugins/block-hoist.js
@@ -1,5 +1,5 @@
 import Plugin from "../plugin";
-import sortBy from "lodash/collection/sortBy";
+import sortBy from "lodash/sortBy";
 
 export default new Plugin({
   /**
diff --git a/packages/babel-core/src/transformation/plugin.js b/packages/babel-core/src/transformation/plugin.js
index 641ed06b40..e378fb68d9 100644
--- a/packages/babel-core/src/transformation/plugin.js
+++ b/packages/babel-core/src/transformation/plugin.js
@@ -4,8 +4,8 @@ import OptionManager from "./file/options/option-manager";
 import * as messages from "babel-messages";
 import Store from "../store";
 import traverse from "babel-traverse";
-import assign from "lodash/object/assign";
-import clone from "lodash/lang/clone";
+import assign from "lodash/assign";
+import clone from "lodash/clone";
 
 const GLOBAL_VISITOR_PROPS = ["enter", "exit"];
 
diff --git a/packages/babel-core/src/util.js b/packages/babel-core/src/util.js
index d19fd40261..0ee5e62a96 100644
--- a/packages/babel-core/src/util.js
+++ b/packages/babel-core/src/util.js
@@ -1,10 +1,10 @@
-import escapeRegExp from "lodash/string/escapeRegExp";
-import startsWith from "lodash/string/startsWith";
-import isBoolean from "lodash/lang/isBoolean";
+import escapeRegExp from "lodash/escapeRegExp";
+import startsWith from "lodash/startsWith";
+import isBoolean from "lodash/isBoolean";
 import minimatch from "minimatch";
-import contains from "lodash/collection/contains";
-import isString from "lodash/lang/isString";
-import isRegExp from "lodash/lang/isRegExp";
+import includes from "lodash/includes";
+import isString from "lodash/isString";
+import isRegExp from "lodash/isRegExp";
 import path from "path";
 import slash from "slash";
 
@@ -17,7 +17,7 @@ export { inherits, inspect } from "util";
 export function canCompile(filename: string, altExts?: Array<string>): boolean {
   let exts = altExts || canCompile.EXTENSIONS;
   let ext = path.extname(filename);
-  return contains(exts, ext);
+  return includes(exts, ext);
 }
 
 /**
diff --git a/packages/babel-core/test/util.js b/packages/babel-core/test/util.js
index 918c1dd3fe..e6ee23ca1a 100644
--- a/packages/babel-core/test/util.js
+++ b/packages/babel-core/test/util.js
@@ -57,7 +57,7 @@ suite("util", function () {
     assert.deepEqual(util.regexify(false), /.^/);
     assert.deepEqual(util.regexify(null), /.^/);
     assert.deepEqual(util.regexify(""), /.^/);
-    assert.deepEqual(util.regexify(["foo", "bar"]), /\x66oo|\x62ar/i);
+    assert.deepEqual(util.regexify(["foo", "bar"]), /foo|bar/i);
     assert.deepEqual(util.regexify("foobar"), /(?:(?=.)foobar)/i);
     assert.deepEqual(util.regexify(/foobar/), /foobar/);
 
diff --git a/packages/babel-generator/package.json b/packages/babel-generator/package.json
index 5c3b281a6c..2f530af17c 100644
--- a/packages/babel-generator/package.json
+++ b/packages/babel-generator/package.json
@@ -16,7 +16,7 @@
     "babel-types": "^6.8.0",
     "detect-indent": "^3.0.1",
     "is-integer": "^1.0.4",
-    "lodash": "^3.10.1",
+    "lodash": "^4.2.0",
     "repeating": "^1.1.3",
     "source-map": "^0.5.0",
     "trim-right": "^1.0.1"
diff --git a/packages/babel-generator/src/generators/expressions.js b/packages/babel-generator/src/generators/expressions.js
index d3062e3de9..02d236e9a9 100644
--- a/packages/babel-generator/src/generators/expressions.js
+++ b/packages/babel-generator/src/generators/expressions.js
@@ -1,7 +1,7 @@
 /* eslint max-len: 0 */
 
 import isInteger from "is-integer";
-import isNumber from "lodash/lang/isNumber";
+import isNumber from "lodash/isNumber";
 import * as t from "babel-types";
 import * as n from "../node";
 
diff --git a/packages/babel-generator/src/node/whitespace.js b/packages/babel-generator/src/node/whitespace.js
index 2126c9110b..12489b7275 100644
--- a/packages/babel-generator/src/node/whitespace.js
+++ b/packages/babel-generator/src/node/whitespace.js
@@ -1,6 +1,6 @@
-import isBoolean from "lodash/lang/isBoolean";
-import each from "lodash/collection/each";
-import map from "lodash/collection/map";
+import isBoolean from "lodash/isBoolean";
+import each from "lodash/each";
+import map from "lodash/map";
 import * as t from "babel-types";
 
 type WhitespaceObject = {
diff --git a/packages/babel-helper-builder-react-jsx/package.json b/packages/babel-helper-builder-react-jsx/package.json
index 86402e3c4d..67232db119 100644
--- a/packages/babel-helper-builder-react-jsx/package.json
+++ b/packages/babel-helper-builder-react-jsx/package.json
@@ -9,6 +9,6 @@
     "babel-runtime": "^6.0.0",
     "babel-types": "^6.8.0",
     "esutils": "^2.0.0",
-    "lodash": "^3.10.0"
+    "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-define-map/package.json b/packages/babel-helper-define-map/package.json
index 2c6366bc98..7284b37f02 100644
--- a/packages/babel-helper-define-map/package.json
+++ b/packages/babel-helper-define-map/package.json
@@ -7,7 +7,7 @@
   "main": "lib/index.js",
   "dependencies": {
     "babel-runtime": "^6.0.0",
-    "lodash": "^3.10.0",
+    "lodash": "^4.2.0",
     "babel-types": "^6.8.0",
     "babel-helper-function-name": "^6.8.0"
   }
diff --git a/packages/babel-helper-define-map/src/index.js b/packages/babel-helper-define-map/src/index.js
index aa0e2af5a7..131b02a8c7 100644
--- a/packages/babel-helper-define-map/src/index.js
+++ b/packages/babel-helper-define-map/src/index.js
@@ -1,8 +1,8 @@
 /* eslint max-len: 0 */
 
 import nameFunction from "babel-helper-function-name";
-import each from "lodash/collection/each";
-import has from "lodash/object/has";
+import each from "lodash/each";
+import has from "lodash/has";
 import * as t from "babel-types";
 
 function toKind(node: Object) {
diff --git a/packages/babel-helper-fixtures/package.json b/packages/babel-helper-fixtures/package.json
index d8859b401c..aad2b13ca1 100644
--- a/packages/babel-helper-fixtures/package.json
+++ b/packages/babel-helper-fixtures/package.json
@@ -8,7 +8,7 @@
   "main": "lib/index.js",
   "dependencies": {
     "babel-runtime": "^6.0.0",
-    "lodash": "^3.10.0",
+    "lodash": "^4.2.0",
     "path-exists": "^1.0.0",
     "trim-right": "^1.0.1",
     "try-resolve": "^1.0.0"
diff --git a/packages/babel-helper-regex/package.json b/packages/babel-helper-regex/package.json
index c0409f2c76..fb1cdef3ad 100644
--- a/packages/babel-helper-regex/package.json
+++ b/packages/babel-helper-regex/package.json
@@ -7,7 +7,7 @@
   "main": "lib/index.js",
   "dependencies": {
     "babel-runtime": "^6.0.0",
-    "lodash": "^3.10.0",
+    "lodash": "^4.2.0",
     "babel-types": "^6.8.0"
   }
 }
diff --git a/packages/babel-helper-regex/src/index.js b/packages/babel-helper-regex/src/index.js
index afe76e5c43..b59a30f7d5 100644
--- a/packages/babel-helper-regex/src/index.js
+++ b/packages/babel-helper-regex/src/index.js
@@ -1,4 +1,4 @@
-import pull from "lodash/array/pull";
+import pull from "lodash/pull";
 import * as t from "babel-types";
 
 export function is(node: Object, flag: string): boolean {
diff --git a/packages/babel-helper-transform-fixture-test-runner/package.json b/packages/babel-helper-transform-fixture-test-runner/package.json
index d34e5b2f84..d0dff63705 100644
--- a/packages/babel-helper-transform-fixture-test-runner/package.json
+++ b/packages/babel-helper-transform-fixture-test-runner/package.json
@@ -16,6 +16,6 @@
     "source-map": "^0.5.0",
     "babel-code-frame": "^6.8.0",
     "chai": "^2.2.0",
-    "lodash": "^3.10.0"
+    "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-helper-transform-fixture-test-runner/src/index.js b/packages/babel-helper-transform-fixture-test-runner/src/index.js
index 5dbf3db89e..1c016287ac 100644
--- a/packages/babel-helper-transform-fixture-test-runner/src/index.js
+++ b/packages/babel-helper-transform-fixture-test-runner/src/index.js
@@ -121,12 +121,12 @@ export default function (
   let suites = getFixtures(fixturesLoc);
 
   for (let testSuite of suites) {
-    if (_.contains(suiteOpts.ignoreSuites, testSuite.title)) continue;
+    if (_.includes(suiteOpts.ignoreSuites, testSuite.title)) continue;
 
     suite(name + "/" + testSuite.title, function () {
       for (let task of testSuite.tests) {
-        if (_.contains(suiteOpts.ignoreTasks, task.title) ||
-            _.contains(suiteOpts.ignoreTasks, testSuite.title + "/" + task.title)) continue;
+        if (_.includes(suiteOpts.ignoreTasks, task.title) ||
+            _.includes(suiteOpts.ignoreTasks, testSuite.title + "/" + task.title)) continue;
 
         test(task.title, !task.disabled && function () {
           function runTask() {
diff --git a/packages/babel-plugin-transform-es2015-block-scoping/package.json b/packages/babel-plugin-transform-es2015-block-scoping/package.json
index 127511c316..b437b2dfc2 100644
--- a/packages/babel-plugin-transform-es2015-block-scoping/package.json
+++ b/packages/babel-plugin-transform-es2015-block-scoping/package.json
@@ -9,7 +9,7 @@
     "babel-traverse": "^6.8.0",
     "babel-types": "^6.8.0",
     "babel-template": "^6.8.0",
-    "lodash": "^3.10.0",
+    "lodash": "^4.2.0",
     "babel-runtime": "^6.0.0"
   },
   "keywords": [
diff --git a/packages/babel-plugin-transform-es2015-block-scoping/src/index.js b/packages/babel-plugin-transform-es2015-block-scoping/src/index.js
index d41e2dd544..2e26b9ab1d 100644
--- a/packages/babel-plugin-transform-es2015-block-scoping/src/index.js
+++ b/packages/babel-plugin-transform-es2015-block-scoping/src/index.js
@@ -6,8 +6,8 @@ import type File from "../../../file";
 import traverse from "babel-traverse";
 import { visitor as tdzVisitor } from "./tdz";
 import * as t from "babel-types";
-import values from "lodash/object/values";
-import extend from "lodash/object/extend";
+import values from "lodash/values";
+import extend from "lodash/extend";
 import template from "babel-template";
 
 export default function () {
diff --git a/packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules-2/actual.js b/packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules-2/actual.js
index bbf1ec86aa..08a44cbfe5 100644
--- a/packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules-2/actual.js
+++ b/packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules-2/actual.js
@@ -1,4 +1,4 @@
-import last from "lodash/array/last"
+import last from "lodash/last"
 
 export default class Container {
   last(key) {
diff --git a/packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules-2/expected.js b/packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules-2/expected.js
index dc2a8f943d..bd17524c7e 100644
--- a/packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules-2/expected.js
+++ b/packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules-2/expected.js
@@ -4,7 +4,7 @@ Object.defineProperty(exports, "__esModule", {
   value: true
 });
 
-var _last2 = require("lodash/array/last");
+var _last2 = require("lodash/last");
 
 var _last3 = babelHelpers.interopRequireDefault(_last2);
 
diff --git a/packages/babel-plugin-transform-proto-to-assign/package.json b/packages/babel-plugin-transform-proto-to-assign/package.json
index fdca3ae255..331ee67932 100644
--- a/packages/babel-plugin-transform-proto-to-assign/package.json
+++ b/packages/babel-plugin-transform-proto-to-assign/package.json
@@ -10,7 +10,7 @@
   ],
   "dependencies": {
     "babel-runtime": "^6.0.0",
-    "lodash": "^3.9.3"
+    "lodash": "^4.2.0"
   },
   "devDependencies": {
     "babel-helper-plugin-test-runner": "^6.8.0"
diff --git a/packages/babel-plugin-transform-proto-to-assign/src/index.js b/packages/babel-plugin-transform-proto-to-assign/src/index.js
index 648ee983b3..d17f857c18 100644
--- a/packages/babel-plugin-transform-proto-to-assign/src/index.js
+++ b/packages/babel-plugin-transform-proto-to-assign/src/index.js
@@ -1,6 +1,6 @@
 /* eslint max-len: 0 */
 
-import pull from "lodash/array/pull";
+import pull from "lodash/pull";
 
 export default function ({ types: t }) {
   function isProtoKey(node) {
diff --git a/packages/babel-preset-es2015/test/traceur.js b/packages/babel-preset-es2015/test/traceur.js
index 41af8f4298..dd3fd5f70a 100644
--- a/packages/babel-preset-es2015/test/traceur.js
+++ b/packages/babel-preset-es2015/test/traceur.js
@@ -80,7 +80,7 @@ require("babel-helper-transform-fixture-test-runner")(__dirname + "/fixtures/tra
 }, {
 
 }, function (opts, task) {
-  if (_.contains(task.exec.loc, "module.js")) {
+  if (_.includes(task.exec.loc, "module.js")) {
     opts.plugins.push("transform-es2015-modules-commonjs");
   } else {
     opts.sourceType = "script";
diff --git a/packages/babel-register/package.json b/packages/babel-register/package.json
index 0822e8cd69..dcc7f87db4 100644
--- a/packages/babel-register/package.json
+++ b/packages/babel-register/package.json
@@ -12,7 +12,7 @@
     "babel-runtime": "^6.0.0",
     "core-js": "^2.1.0",
     "home-or-tmp": "^1.0.0",
-    "lodash": "^3.10.0",
+    "lodash": "^4.2.0",
     "mkdirp": "^0.5.1",
     "path-exists": "^1.0.0",
     "source-map-support": "^0.2.10"
diff --git a/packages/babel-register/src/node.js b/packages/babel-register/src/node.js
index 36b877da16..c786f3dccd 100644
--- a/packages/babel-register/src/node.js
+++ b/packages/babel-register/src/node.js
@@ -1,9 +1,9 @@
-import deepClone from "lodash/lang/cloneDeep";
+import deepClone from "lodash/cloneDeep";
 import sourceMapSupport from "source-map-support";
 import * as registerCache from "./cache";
-import extend from "lodash/object/extend";
+import extend from "lodash/extend";
 import * as babel from "babel-core";
-import each from "lodash/collection/each";
+import each from "lodash/each";
 import { util, OptionManager } from "babel-core";
 import fs from "fs";
 import path from "path";
diff --git a/packages/babel-runtime/scripts/build-dist.js b/packages/babel-runtime/scripts/build-dist.js
index 1b7c4511e5..44c64207e1 100644
--- a/packages/babel-runtime/scripts/build-dist.js
+++ b/packages/babel-runtime/scripts/build-dist.js
@@ -1,5 +1,5 @@
 var outputFile = require("output-file-sync");
-var each       = require("lodash/collection/each");
+var each       = require("lodash/each");
 var fs         = require("fs");
 var _          = require("lodash");
 
diff --git a/packages/babel-template/package.json b/packages/babel-template/package.json
index 8f9d500b9c..12c19e1472 100644
--- a/packages/babel-template/package.json
+++ b/packages/babel-template/package.json
@@ -12,6 +12,6 @@
     "babel-traverse": "^6.8.0",
     "babel-types": "^6.8.0",
     "babel-runtime": "^6.0.0",
-    "lodash": "^3.10.1"
+    "lodash": "^4.2.0"
   }
 }
diff --git a/packages/babel-template/src/index.js b/packages/babel-template/src/index.js
index 14c2286d23..53b236b7bd 100644
--- a/packages/babel-template/src/index.js
+++ b/packages/babel-template/src/index.js
@@ -1,8 +1,8 @@
 /* eslint max-len: 0 */
 
-import cloneDeep from "lodash/lang/cloneDeep";
-import assign from "lodash/object/assign";
-import has from "lodash/object/has";
+import cloneDeep from "lodash/cloneDeep";
+import assign from "lodash/assign";
+import has from "lodash/has";
 import traverse from "babel-traverse";
 import * as babylon from "babylon";
 import * as t from "babel-types";
diff --git a/packages/babel-traverse/package.json b/packages/babel-traverse/package.json
index 046abf6417..6bf1cfa9d3 100644
--- a/packages/babel-traverse/package.json
+++ b/packages/babel-traverse/package.json
@@ -16,7 +16,7 @@
     "debug": "^2.2.0",
     "globals": "^8.3.0",
     "invariant": "^2.2.0",
-    "lodash": "^3.10.1",
+    "lodash": "^4.2.0",
     "repeating": "^1.1.3"
   }
 }
diff --git a/packages/babel-traverse/src/index.js b/packages/babel-traverse/src/index.js
index 77390f13ad..28f46d13c3 100644
--- a/packages/babel-traverse/src/index.js
+++ b/packages/babel-traverse/src/index.js
@@ -3,7 +3,7 @@
 import TraversalContext from "./context";
 import * as visitors from "./visitors";
 import * as messages from "babel-messages";
-import includes from "lodash/collection/includes";
+import includes from "lodash/includes";
 import * as t from "babel-types";
 import * as cache from "./cache";
 
diff --git a/packages/babel-traverse/src/path/index.js b/packages/babel-traverse/src/path/index.js
index 9b877eac05..1b5b589190 100644
--- a/packages/babel-traverse/src/path/index.js
+++ b/packages/babel-traverse/src/path/index.js
@@ -6,7 +6,7 @@ import * as virtualTypes from "./lib/virtual-types";
 import buildDebug from "debug";
 import invariant from "invariant";
 import traverse from "../index";
-import assign from "lodash/object/assign";
+import assign from "lodash/assign";
 import Scope from "../scope";
 import * as t from "babel-types";
 import { path as pathCache } from "../cache";
diff --git a/packages/babel-traverse/src/path/introspection.js b/packages/babel-traverse/src/path/introspection.js
index 278efc0713..be7a2755c5 100644
--- a/packages/babel-traverse/src/path/introspection.js
+++ b/packages/babel-traverse/src/path/introspection.js
@@ -1,7 +1,7 @@
 // This file contains methods responsible for introspecting the current path for certain values.
 
 import type NodePath from "./index";
-import includes from "lodash/collection/includes";
+import includes from "lodash/includes";
 import * as t from "babel-types";
 
 /**
diff --git a/packages/babel-traverse/src/scope/index.js b/packages/babel-traverse/src/scope/index.js
index 7e8176637c..556bc95496 100644
--- a/packages/babel-traverse/src/scope/index.js
+++ b/packages/babel-traverse/src/scope/index.js
@@ -1,11 +1,11 @@
 /* eslint max-len: 0 */
 
-import includes from "lodash/collection/includes";
+import includes from "lodash/includes";
 import repeating from "repeating";
 import Renamer from "./lib/renamer";
 import type NodePath from "../path";
 import traverse from "../index";
-import defaults from "lodash/object/defaults";
+import defaults from "lodash/defaults";
 import * as messages from "babel-messages";
 import Binding from "./binding";
 import globals from "globals";
diff --git a/packages/babel-traverse/src/visitors.js b/packages/babel-traverse/src/visitors.js
index 6f0f4f9d9a..e67824995b 100644
--- a/packages/babel-traverse/src/visitors.js
+++ b/packages/babel-traverse/src/visitors.js
@@ -1,7 +1,7 @@
 import * as virtualTypes from "./path/lib/virtual-types";
 import * as messages from "babel-messages";
 import * as t from "babel-types";
-import clone from "lodash/lang/clone";
+import clone from "lodash/clone";
 
 /**
  * explode() will take a visitor object with all of the various shorthands
diff --git a/packages/babel-types/package.json b/packages/babel-types/package.json
index 8adde9b387..b64ccb4747 100644
--- a/packages/babel-types/package.json
+++ b/packages/babel-types/package.json
@@ -11,7 +11,7 @@
     "babel-runtime": "^6.0.0",
     "babel-traverse": "^6.8.0",
     "esutils": "^2.0.2",
-    "lodash": "^3.10.1",
+    "lodash": "^4.2.0",
     "to-fast-properties": "^1.0.1"
   }
 }
diff --git a/packages/babel-types/src/converters.js b/packages/babel-types/src/converters.js
index c10e38e63d..852c183ee3 100644
--- a/packages/babel-types/src/converters.js
+++ b/packages/babel-types/src/converters.js
@@ -1,7 +1,7 @@
-import isPlainObject from "lodash/lang/isPlainObject";
-import isNumber from "lodash/lang/isNumber";
-import isRegExp from "lodash/lang/isRegExp";
-import isString from "lodash/lang/isString";
+import isPlainObject from "lodash/isPlainObject";
+import isNumber from "lodash/isNumber";
+import isRegExp from "lodash/isRegExp";
+import isString from "lodash/isString";
 import type { Scope } from "babel-traverse";
 import * as t from "./index";
 
diff --git a/packages/babel-types/src/index.js b/packages/babel-types/src/index.js
index fe968f9f7a..945d288a22 100644
--- a/packages/babel-types/src/index.js
+++ b/packages/babel-types/src/index.js
@@ -1,8 +1,8 @@
 import toFastProperties from "to-fast-properties";
-import compact from "lodash/array/compact";
-import loClone from "lodash/lang/clone";
-import each from "lodash/collection/each";
-import uniq from "lodash/array/uniq";
+import compact from "lodash/compact";
+import loClone from "lodash/clone";
+import each from "lodash/each";
+import uniq from "lodash/uniq";
 
 let t = exports;