diff --git a/.xo-config.cjs b/.xo-config.cjs
index f3ca4930256..0621aba85fb 100644
--- a/.xo-config.cjs
+++ b/.xo-config.cjs
@@ -1,6 +1,7 @@
 module.exports = {
 	prettier: true,
 	plugins: ['@db-ui'],
+	extensions: ['.js', '.jsx', '.mjs', '.cjs', '.tsx', '.ts']
 	overrides: [
 		{
 			files: ['./showcases/angular-showcase/**'],