diff --git a/deno/ddln_server.ts b/deno/ddln_server.ts
index fd9ebcb..c2b1038 100644
--- a/deno/ddln_server.ts
+++ b/deno/ddln_server.ts
@@ -31,6 +31,9 @@ async function serveFile(filename: string) {
 
     const file = await Deno.readFile("../" + filename);
     const newResponse = new Response(file);
+
+    newResponse.headers.set('Cache-Control', 'no-transform');
+
     if (filename.endsWith('.js')) {
         newResponse.headers.set('content-type', 'application/javascript')
     }