diff --git a/dist/index.js b/dist/index.js
index 0307f39..c92f8fe 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -343,7 +343,7 @@ const loadWorker = async (url) => {
         throw new Error(`Failed to fetch worker`);
     }
     const script = await response.text();
-    return new Worker(URL.createObjectURL(new Blob([script], { type: "application/javascript" })));
+    return new Worker(URL.createObjectURL(new Blob([script], { type: "application/javascript" })), { type: "module" });
 };
 const worker = wrap(await loadWorker(new URL("./worker.js", import.meta.url)));
 const krak = {
diff --git a/src/index.ts b/src/index.ts
index 0c50ba3..6c511d9 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -12,7 +12,7 @@ const loadWorker = async (url: URL): Promise<Worker> => {
 
     const script = await response.text();
 
-    return new Worker(URL.createObjectURL(new Blob([script], { type: "application/javascript" })));
+    return new Worker(URL.createObjectURL(new Blob([script], { type: "application/javascript" })), { type: "module" });
 };
 
 const worker = wrap<KrakWorker>(await loadWorker(new URL("./worker.js", import.meta.url)));