diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4dc4e8b..ec3fd89 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # CHANGELOG
 
+## v1.6.3 (15/10/2023)
+
+### Changes
+
+- use legacy build of pdfjs-dist
+
 ## v1.6.2 (10/10/2023)
 
 ### Changes
diff --git a/package.json b/package.json
index 530c4b7..81af2a0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-mindee-js",
-  "version": "1.6.2",
+  "version": "1.6.4-beta",
   "description": "Front-End Computer Vision SDK for React",
   "author": "@mindee",
   "license": "MIT",
diff --git a/src/utils/getImagesFromPDF.ts b/src/utils/getImagesFromPDF.ts
index 6c24028..444844f 100644
--- a/src/utils/getImagesFromPDF.ts
+++ b/src/utils/getImagesFromPDF.ts
@@ -9,7 +9,7 @@ import { RenderParameters } from 'pdfjs-dist/types/src/display/api'
 
 import { MAX_PDF_SCALE, PDF_RESOLUTION } from '@/common/constants'
 
-GlobalWorkerOptions.workerSrc = `//unpkg.com/pdfjs-dist@${version}/build/pdf.worker.min.mjs`
+GlobalWorkerOptions.workerSrc = `//unpkg.com/pdfjs-dist@${version}/legacy/build/pdf.worker.min.mjs`
 
 const getImageFromPage = async (
   _document: PDFDocumentProxy,