diff --git a/mime.types b/mime.types
index 61cb65c..68ad662 100644
--- a/mime.types
+++ b/mime.types
@@ -14,7 +14,7 @@ types {
 
     # Servers should use text/javascript for JavaScript resources.
     # https://html.spec.whatwg.org/multipage/scripting.html#scriptingLanguages
-    text/javascript                       js;
+    text/javascript                       js mjs;
 
 
   # Manifest files