diff --git a/lib/process/defaults.js b/lib/process/defaults.js
index 02fe744..fe24a67 100644
--- a/lib/process/defaults.js
+++ b/lib/process/defaults.js
@@ -3,7 +3,7 @@ module.exports = {
   fileExt: {
     js: ['.js', '.jsx'],
     css: ['.css', '.scss', '.sass', '.less'],
-    html: ['.html', '.htm'],
+    html: ['.html', '.htm', '.handlebars', '.hbs'],
     pug: ['.pug'],
   },
   optionsDefault: {