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diff --git a/node_modules/grunt-uncss/node_modules/lodash/_arrayShuffle.js b/node_modules/grunt-uncss/node_modules/lodash/_arrayShuffle.js
new file mode 100644
index 000000000..46313a39b
--- /dev/null
+++ b/node_modules/grunt-uncss/node_modules/lodash/_arrayShuffle.js
@@ -0,0 +1,15 @@
+var copyArray = require('./_copyArray'),
+    shuffleSelf = require('./_shuffleSelf');
+
+/**
+ * A specialized version of `_.shuffle` for arrays.
+ *
+ * @private
+ * @param {Array} array The array to shuffle.
+ * @returns {Array} Returns the new shuffled array.
+ */
+function arrayShuffle(array) {
+  return shuffleSelf(copyArray(array));
+}
+
+module.exports = arrayShuffle;