diff --git a/index.js b/index.js
index f5e02fa..69f4328 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,4 @@
-import exec from './src/_exec';
+import exec from './src/_exec.js';
 import path from 'path';
 
 const run = async () => {
diff --git a/package.json b/package.json
index b99f95d..16acf79 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "6.0.0",
   "description": "GitHub Action for Semantic Release",
   "main": "index.js",
+  "type": "module",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },