diff --git a/.gitignore b/.gitignore
index 7fcaa2c..bd43575 100644
--- a/.gitignore
+++ b/.gitignore
@@ -191,4 +191,5 @@ Temporary Items
 
 ### Project
 public
-dist
+/dist
+/esm
diff --git a/package.json b/package.json
index 903f93e..0ba3d10 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,12 @@
 {
   "name": "@cromefire_/nativeshell-api-definition",
   "version": "1.0.0",
-  "module": "dist/index.js",
-  "types": "dist/index.d.ts",
+  "main": "dist/index.js",
+  "module": "esm/index.js",
+  "types": "esm/index.d.ts",
   "license": "Apache-2.0",
   "scripts": {
-    "build": "tsc -b tsconfig.json",
+    "build": "tsc -b tsconfig.json tsconfig.commonjs.json",
     "lint": "eslint src/**",
     "docs": "typedoc"
   },
diff --git a/tsconfig.commonjs.json b/tsconfig.commonjs.json
new file mode 100644
index 0000000..c681758
--- /dev/null
+++ b/tsconfig.commonjs.json
@@ -0,0 +1,7 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "dist",
+    "module": "CommonJS"
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
index 408ef2a..60dd3ce 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,7 +2,7 @@
   "compilerOptions": {
     "baseUrl": "src",
     "rootDir": "src",
-    "outDir": "dist",
+    "outDir": "esm",
     "moduleResolution": "Node",
     "module": "esnext",
     "target": "ESNext",