diff --git a/deno/content-types.ts b/deno/content-types.ts
index 1970f4a..ac73350 100644
--- a/deno/content-types.ts
+++ b/deno/content-types.ts
@@ -1,4 +1,4 @@
-import { Extensible } from "./interfaces";
+import { Extensible } from "./interfaces.ts";
 
 export type ContentType = string;