diff --git a/.esmrc b/.esmrc
new file mode 100644
index 00000000..80fbb1fd
--- /dev/null
+++ b/.esmrc
@@ -0,0 +1,3 @@
+{
+  esm: "js"
+}
diff --git a/package.json b/package.json
index 5d5e4b9f..e276a096 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,7 @@
   "license": "BSD-3-Clause",
   "dependencies": {
     "@babel/standalone": "7.0.0-beta.32",
+    "@std/esm": "^0.21.1",
     "acorn": "5.2.1",
     "babylon": "7.0.0-beta.32",
     "benchmark": "^2.1.4",
@@ -45,6 +46,7 @@
     "esprima": "4.0.0",
     "jshint": "2.9.5",
     "lebab": "2.7.7",
+    "lodash-es": "^4.17.5",
     "prepack": "0.2.11",
     "prettier": "1.8.2",
     "source-map": "0.6.1",
diff --git a/src/std-esm-benchmark.js b/src/std-esm-benchmark.js
new file mode 100644
index 00000000..4d9c9ee1
--- /dev/null
+++ b/src/std-esm-benchmark.js
@@ -0,0 +1,27 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var esmRequire = (function() {
+  try {
+    return __non_webpack_require__("@std/esm")(__non_webpack_module__);
+  } catch (e) {}
+
+  try {
+    return module.require("@std/esm")(module);
+  } catch (e) {}
+})();
+
+module.exports = {
+  name: "@std/esm"
+};
+
+if (typeof esmRequire === "function") {
+  module.exports.fn = function() {
+    for (var key in esmRequire.cache) {
+      delete esmRequire.cache[key];
+    }
+
+    return esmRequire("lodash-es");
+  };
+}
diff --git a/src/std-esm-benchmark.test.js b/src/std-esm-benchmark.test.js
new file mode 100644
index 00000000..a529856a
--- /dev/null
+++ b/src/std-esm-benchmark.test.js
@@ -0,0 +1,7 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+const esmBenchmark = require("./std-esm-benchmark");
+
+it("std-esm-benchmark runs to completion", () => void esmBenchmark.fn());
diff --git a/src/suite.js b/src/suite.js
index c3505803..9dfd6b36 100644
--- a/src/suite.js
+++ b/src/suite.js
@@ -30,11 +30,14 @@ const suite = new Benchmark.Suite();
   require("./prepack-benchmark"),
   require("./prettier-benchmark"),
   require("./source-map-benchmark"),
+  require("./std-esm-benchmark"),
   require("./typescript-benchmark"),
   require("./uglify-es-benchmark"),
   require("./uglify-js-benchmark")
 ].forEach(options => {
-  suite.add(Object.assign({}, options, defaultOptions));
+  if (options.fn) {
+    suite.add(Object.assign({}, options, defaultOptions));
+  }
 });
 
 module.exports = suite;
diff --git a/webpack.config.js b/webpack.config.js
index a20fe8b2..5d066fda 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -27,6 +27,9 @@ module.exports = [
         banner:
           "// Required for JavaScript engine shells.\n" +
           "var global = this;\n" +
+          "if (typeof module !== 'undefined') {\n" +
+          "  __non_webpack_module__ = module;\n" +
+          "}\n" +
           "if (typeof console === 'undefined') {\n" +
           "  console = {log: print};\n" +
           "}",