diff --git a/README.md b/README.md
index b9e56a5bb..965a5afd4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# lodash-es v4.6.0
+# lodash-es v4.6.1
 
 The [lodash](https://lodash.com/) library exported as [ES](http://www.ecma-international.org/ecma-262/6.0/) modules.
 
@@ -7,4 +7,4 @@ Generated using [lodash-cli](https://www.npmjs.com/package/lodash-cli):
 $ lodash modularize exports=es -o ./
 ```
 
-See the [package source](https://github.com/lodash/lodash/tree/4.6.0-es) for more details.
+See the [package source](https://github.com/lodash/lodash/tree/4.6.1-es) for more details.
diff --git a/_baseClone.js b/_baseClone.js
index 7a56fd1f2..deb2f1c65 100644
--- a/_baseClone.js
+++ b/_baseClone.js
@@ -66,13 +66,14 @@ cloneableTags[weakMapTag] = false;
  * @private
  * @param {*} value The value to clone.
  * @param {boolean} [isDeep] Specify a deep clone.
+ * @param {boolean} [isFull] Specify a clone including symbols.
  * @param {Function} [customizer] The function to customize cloning.
  * @param {string} [key] The key of `value`.
  * @param {Object} [object] The parent object of `value`.
  * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
  * @returns {*} Returns the cloned value.
  */
-function baseClone(value, isDeep, customizer, key, object, stack) {
+function baseClone(value, isDeep, isFull, customizer, key, object, stack) {
   var result;
   if (customizer) {
     result = object ? customizer(value, key, object, stack) : customizer(value);
@@ -102,7 +103,8 @@ function baseClone(value, isDeep, customizer, key, object, stack) {
       }
       result = initCloneObject(isFunc ? {} : value);
       if (!isDeep) {
-        return copySymbols(value, baseAssign(result, value));
+        result = baseAssign(result, value);
+        return isFull ? copySymbols(value, result) : result;
       }
     } else {
       if (!cloneableTags[tag]) {
@@ -121,9 +123,9 @@ function baseClone(value, isDeep, customizer, key, object, stack) {
 
   // Recursively populate clone (susceptible to call stack limits).
   (isArr ? arrayEach : baseForOwn)(value, function(subValue, key) {
-    assignValue(result, key, baseClone(subValue, isDeep, customizer, key, value, stack));
+    assignValue(result, key, baseClone(subValue, isDeep, isFull, customizer, key, value, stack));
   });
-  return isArr ? result : copySymbols(value, result);
+  return (isFull && !isArr) ? copySymbols(value, result) : result;
 }
 
 export default baseClone;
diff --git a/assign.js b/assign.js
index d4a4fd780..d56948675 100644
--- a/assign.js
+++ b/assign.js
@@ -11,8 +11,11 @@ var objectProto = Object.prototype;
 /** Used to check objects for own properties. */
 var hasOwnProperty = objectProto.hasOwnProperty;
 
+/** Built-in value references. */
+var propertyIsEnumerable = objectProto.propertyIsEnumerable;
+
 /** Detect if properties shadowing those on `Object.prototype` are non-enumerable. */
-var nonEnumShadows = !({ 'valueOf': 1 }).propertyIsEnumerable('valueOf');
+var nonEnumShadows = !propertyIsEnumerable.call({ 'valueOf': 1 }, 'valueOf');
 
 /**
  * Assigns own enumerable properties of source objects to the destination
diff --git a/assignIn.js b/assignIn.js
index 317187873..49824959b 100644
--- a/assignIn.js
+++ b/assignIn.js
@@ -5,8 +5,14 @@ import isArrayLike from './isArrayLike';
 import isPrototype from './_isPrototype';
 import keysIn from './keysIn';
 
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Built-in value references. */
+var propertyIsEnumerable = objectProto.propertyIsEnumerable;
+
 /** Detect if properties shadowing those on `Object.prototype` are non-enumerable. */
-var nonEnumShadows = !({ 'valueOf': 1 }).propertyIsEnumerable('valueOf');
+var nonEnumShadows = !propertyIsEnumerable.call({ 'valueOf': 1 }, 'valueOf');
 
 /**
  * This method is like `_.assign` except that it iterates over own and
diff --git a/clone.js b/clone.js
index 92b2d33f0..e59661ace 100644
--- a/clone.js
+++ b/clone.js
@@ -25,7 +25,7 @@ import baseClone from './_baseClone';
  * // => true
  */
 function clone(value) {
-  return baseClone(value);
+  return baseClone(value, false, true);
 }
 
 export default clone;
diff --git a/cloneDeep.js b/cloneDeep.js
index 81c7febfa..bd289e5bb 100644
--- a/cloneDeep.js
+++ b/cloneDeep.js
@@ -17,7 +17,7 @@ import baseClone from './_baseClone';
  * // => false
  */
 function cloneDeep(value) {
-  return baseClone(value, true);
+  return baseClone(value, true, true);
 }
 
 export default cloneDeep;
diff --git a/cloneDeepWith.js b/cloneDeepWith.js
index 8219adaa0..4c7e84bcf 100644
--- a/cloneDeepWith.js
+++ b/cloneDeepWith.js
@@ -27,7 +27,7 @@ import baseClone from './_baseClone';
  * // => 20
  */
 function cloneDeepWith(value, customizer) {
-  return baseClone(value, true, customizer);
+  return baseClone(value, true, true, customizer);
 }
 
 export default cloneDeepWith;
diff --git a/cloneWith.js b/cloneWith.js
index a7e2181b7..e269e282e 100644
--- a/cloneWith.js
+++ b/cloneWith.js
@@ -30,7 +30,7 @@ import baseClone from './_baseClone';
  * // => 0
  */
 function cloneWith(value, customizer) {
-  return baseClone(value, false, customizer);
+  return baseClone(value, false, true, customizer);
 }
 
 export default cloneWith;
diff --git a/lodash.default.js b/lodash.default.js
index 3a74287f2..7a25a762a 100644
--- a/lodash.default.js
+++ b/lodash.default.js
@@ -1,6 +1,6 @@
 /**
  * @license
- * lodash 4.6.0 (Custom Build) <https://lodash.com/>
+ * lodash 4.6.1 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="es" -o ./`
  * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
@@ -44,7 +44,7 @@ import toInteger from './toInteger';
 import lodash from './wrapperLodash';
 
 /** Used as the semantic version number. */
-var VERSION = '4.6.0';
+var VERSION = '4.6.1';
 
 /** Used to compose bitmasks for wrapper metadata. */
 var BIND_KEY_FLAG = 2;
diff --git a/lodash.js b/lodash.js
index 7cfb2fb00..50f861d1b 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1,6 +1,6 @@
 /**
  * @license
- * lodash 4.6.0 (Custom Build) <https://lodash.com/>
+ * lodash 4.6.1 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="es" -o ./`
  * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
diff --git a/package.json b/package.json
index 441c14eb8..0d37da8f9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash-es",
-  "version": "4.6.0",
+  "version": "4.6.1",
   "description": "Lodash exported as ES modules.",
   "homepage": "https://lodash.com/custom-builds",
   "license": "MIT",