diff --git a/CHANGELOG.md b/CHANGELOG.md
index 703b8a0..c5be308 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+#### 1.0.1 (2019-01-31)
+
+* Module fixing
+
+
 #### 1.0.0 (2019-01-31)
 
 * First version
diff --git a/index.js b/index.js
index 02234df..c8fc441 100644
--- a/index.js
+++ b/index.js
@@ -86,4 +86,4 @@ function plugin (options) {
   return new Copier(options);
 }
 
-export default plugin;
+module.exports = plugin;
diff --git a/package-lock.json b/package-lock.json
index 9667250..2b5d929 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -443,12 +443,6 @@
       "integrity": "sha512-qzm/XxIbxm/FHyH341ZrbnMUpe+5Bocte9xkmFMzPMjRaZMcXww+MpBptFvtU+79L362nqiLhekCxCxDPaUMBQ==",
       "dev": true
     },
-    "esm": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/esm/-/esm-3.2.0.tgz",
-      "integrity": "sha512-yK4IiHmmInOk9q4xbJXdUfPV0ju7GbRCbhtpe5/gH7nRiD6RAb12Ix7zfsqQkDL5WERwzFlq/eT6zTXDWwIk+w==",
-      "dev": true
-    },
     "espree": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/espree/-/espree-5.0.0.tgz",
diff --git a/package.json b/package.json
index 4e003ba..ae50d09 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,11 @@
 {
   "name": "rollup-plugin-copier",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "",
   "main": "index.js",
   "scripts": {
     "lint": "npx eslint .",
-    "test": "npx mocha -r esm"
+    "test": "npx mocha"
   },
   "repository": {
     "type": "git",
@@ -30,9 +30,9 @@
   "devDependencies": {
     "chai": "^4.2.0",
     "eslint": "^5.12.1",
-    "esm": "^3.2.0",
     "husky": "^1.3.1",
     "mocha": "^5.2.0",
     "rollup": "^1.1.2"
-  }
+  },
+  "dependencies": {}
 }