diff --git a/frontend/src/components/PdfViewer.tsx b/frontend/src/components/PdfViewer.tsx
index 4b4bbee..7089716 100644
--- a/frontend/src/components/PdfViewer.tsx
+++ b/frontend/src/components/PdfViewer.tsx
@@ -7,9 +7,10 @@ import { useInView } from 'react-intersection-observer';
 import 'react-pdf/dist/Page/AnnotationLayer.css';
 import 'react-pdf/dist/Page/TextLayer.css';
 
-if (typeof window !== 'undefined') {
-  pdfjs.GlobalWorkerOptions.workerSrc = `//unpkg.com/pdfjs-dist@${pdfjs.version}/build/pdf.worker.min.mjs`;
-}
+pdfjs.GlobalWorkerOptions.workerSrc = new URL(
+  'pdfjs-dist/build/pdf.worker.min.mjs',
+  import.meta.url,
+).toString();
 
 function LazyPage({ pageNumber, scale, containerWidth }: { pageNumber: number; scale: number; containerWidth: number }) {
   const { ref, inView } = useInView({
@@ -132,10 +133,6 @@ export default function PdfViewer({ url }: { url: string }) {
             console.error('Failed to load PDF:', error);
             setLoadError('Failed to load PDF file.');
           }}
-          options={{
-            disableAutoFetch: true,
-            disableStream: true,
-          }}
           loading={
             <div className="flex flex-col items-center justify-center h-full mt-20 gap-3">
               <Loader2 className="w-8 h-8 animate-spin" style={{ color: 'var(--color-accent)' }} />