diff --git a/index.js b/index.js
index ef12f80..3d8a831 100644
--- a/index.js
+++ b/index.js
@@ -110,4 +110,9 @@ async function render(html, options = {}) {
   }
 }
 
+process.on('exit', async () => {
+  browser.removeAllListeners();
+  await browser.close();
+});
+
 module.exports = render;