diff --git a/package.json b/package.json
index 7871235b..436ab6f2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-pdf-js",
-  "version": "5.0.6",
+  "version": "5.1.0",
   "description": "Simple React component to wrap up PDF.js. The easiest way to render PDFs in your React app.",
   "author": "mikecousins",
   "license": "MIT",
@@ -47,6 +47,6 @@
     "webpack": "4.32.1"
   },
   "dependencies": {
-    "pdfjs-dist": "2.1.266"
+    "@bundled-es-modules/pdfjs-dist": "2.1.266-rc"
   }
 }
diff --git a/src/@types/pdfjs-dist/index.d.ts b/src/@types/pdfjs-dist/index.d.ts
index 24c50a45..acb2b77e 100644
--- a/src/@types/pdfjs-dist/index.d.ts
+++ b/src/@types/pdfjs-dist/index.d.ts
@@ -1,438 +1,442 @@
-declare module 'pdfjs-dist' {
+declare module '@bundled-es-modules/pdfjs-dist/build/pdf' {
   interface PDFPromise<T> {
-      isResolved(): boolean;
-      isRejected(): boolean;
-      resolve(value: T): void;
-      reject(reason: string): void;
-      then<U>(onResolve: (promise: T) => U, onReject?: (reason: string) => void): PDFPromise<U>;
+    isResolved(): boolean;
+    isRejected(): boolean;
+    resolve(value: T): void;
+    reject(reason: string): void;
+    then<U>(
+      onResolve: (promise: T) => U,
+      onReject?: (reason: string) => void
+    ): PDFPromise<U>;
   }
 
   interface PDFTreeNode {
-      title: string;
-      bold: boolean;
-      italic: boolean;
-      color: number[]; // [r,g,b]
-      dest: any;
-      items: PDFTreeNode[];
+    title: string;
+    bold: boolean;
+    italic: boolean;
+    color: number[]; // [r,g,b]
+    dest: any;
+    items: PDFTreeNode[];
   }
 
   interface PDFInfo {
-      PDFFormatVersion: string;
-      IsAcroFormPresent: boolean;
-      IsXFAPresent: boolean;
-      [key: string]: any;	// return type is string, typescript chokes
+    PDFFormatVersion: string;
+    IsAcroFormPresent: boolean;
+    IsXFAPresent: boolean;
+    [key: string]: any; // return type is string, typescript chokes
   }
 
   interface PDFMetadata {
-      parse(): void;
-      get(name: string): string;
-      has(name: string): boolean;
+    parse(): void;
+    get(name: string): string;
+    has(name: string): boolean;
   }
 
   interface PDFSource {
-      url?: string;
-      data?: Uint8Array;
-      httpHeaders?: any;
-      password?: string;
-      cMapUrl?: string;
-      cMapPacked?: boolean;
-      withCredentials?: boolean;
+    url?: string;
+    data?: Uint8Array;
+    httpHeaders?: any;
+    password?: string;
+    cMapUrl?: string;
+    cMapPacked?: boolean;
+    withCredentials?: boolean;
   }
 
   interface PDFProgressData {
-      loaded: number;
-      total: number;
+    loaded: number;
+    total: number;
   }
 
   interface PDFDocumentProxy {
-
-      /**
-       * Total number of pages the PDF contains.
-       **/
-      numPages: number;
-
-      /**
-       * A unique ID to identify a PDF.  Not guaranteed to be unique.  [jbaldwin: haha what]
-       **/
-      fingerprint: string;
-
-      /**
-       * True if embedded document fonts are in use.  Will be set during rendering of the pages.
-       **/
-      embeddedFontsUsed(): boolean;
-
-      /**
-       * @param number The page number to get.  The first page is 1.
-       * @return A promise that is resolved with a PDFPageProxy.
-       **/
-      getPage(number: number): PDFPromise<PDFPageProxy>;
-
-      /**
-       * TODO: return type of Promise<???>
-       *  A promise that is resolved with a lookup table for mapping named destinations to reference numbers.
-       **/
-      getDestinations(): PDFPromise<any[]>;
-
-      /**
-       *  A promise that is resolved with an array of all the JavaScript strings in the name tree.
-       **/
-      getJavaScript(): PDFPromise<string[]>;
-
-      /**
-       *  A promise that is resolved with an array that is a tree outline (if it has one) of the PDF.  @see PDFTreeNode
-       **/
-      getOutline(): PDFPromise<PDFTreeNode[]>;
-
-      /**
-       * A promise that is resolved with the info and metadata of the PDF.
-       **/
-      getMetadata(): PDFPromise<{ info: PDFInfo; metadata: PDFMetadata }>;
-
-      /**
-       * Is the PDF encrypted?
-       **/
-      isEncrypted(): PDFPromise<boolean>;
-
-      /**
-       * A promise that is resolved with Uint8Array that has the raw PDF data.
-       **/
-      getData(): PDFPromise<Uint8Array>;
-
-      /**
-       * TODO: return type of Promise<???>
-       * A promise that is resolved when the document's data is loaded.
-       **/
-      dataLoaded(): PDFPromise<any[]>;
-
-      /**
-       *
-       **/
-      destroy(): void;
+    /**
+     * Total number of pages the PDF contains.
+     **/
+    numPages: number;
+
+    /**
+     * A unique ID to identify a PDF.  Not guaranteed to be unique.  [jbaldwin: haha what]
+     **/
+    fingerprint: string;
+
+    /**
+     * True if embedded document fonts are in use.  Will be set during rendering of the pages.
+     **/
+    embeddedFontsUsed(): boolean;
+
+    /**
+     * @param number The page number to get.  The first page is 1.
+     * @return A promise that is resolved with a PDFPageProxy.
+     **/
+    getPage(number: number): PDFPromise<PDFPageProxy>;
+
+    /**
+     * TODO: return type of Promise<???>
+     *  A promise that is resolved with a lookup table for mapping named destinations to reference numbers.
+     **/
+    getDestinations(): PDFPromise<any[]>;
+
+    /**
+     *  A promise that is resolved with an array of all the JavaScript strings in the name tree.
+     **/
+    getJavaScript(): PDFPromise<string[]>;
+
+    /**
+     *  A promise that is resolved with an array that is a tree outline (if it has one) of the PDF.  @see PDFTreeNode
+     **/
+    getOutline(): PDFPromise<PDFTreeNode[]>;
+
+    /**
+     * A promise that is resolved with the info and metadata of the PDF.
+     **/
+    getMetadata(): PDFPromise<{ info: PDFInfo; metadata: PDFMetadata }>;
+
+    /**
+     * Is the PDF encrypted?
+     **/
+    isEncrypted(): PDFPromise<boolean>;
+
+    /**
+     * A promise that is resolved with Uint8Array that has the raw PDF data.
+     **/
+    getData(): PDFPromise<Uint8Array>;
+
+    /**
+     * TODO: return type of Promise<???>
+     * A promise that is resolved when the document's data is loaded.
+     **/
+    dataLoaded(): PDFPromise<any[]>;
+
+    /**
+     *
+     **/
+    destroy(): void;
   }
 
   interface PDFRef {
-      num: number;
-      gen: any; // todo
+    num: number;
+    gen: any; // todo
   }
 
   interface PDFPageViewportOptions {
-      viewBox: any;
-      scale: number;
-      rotation: number;
-      offsetX: number;
-      offsetY: number;
-      dontFlip: boolean;
+    viewBox: any;
+    scale: number;
+    rotation: number;
+    offsetX: number;
+    offsetY: number;
+    dontFlip: boolean;
   }
 
   interface PDFPageViewport {
-      width: number;
-      height: number;
-      fontScale: number;
-      transforms: number[];
-
-      clone(options: PDFPageViewportOptions): PDFPageViewport;
-      convertToViewportPoint(x: number, y: number): number[]; // [x, y]
-      convertToViewportRectangle(rect: number[]): number[]; // [x1, y1, x2, y2]
-      convertToPdfPoint(x: number, y: number): number[]; // [x, y]
+    width: number;
+    height: number;
+    fontScale: number;
+    transforms: number[];
+
+    clone(options: PDFPageViewportOptions): PDFPageViewport;
+    convertToViewportPoint(x: number, y: number): number[]; // [x, y]
+    convertToViewportRectangle(rect: number[]): number[]; // [x1, y1, x2, y2]
+    convertToPdfPoint(x: number, y: number): number[]; // [x, y]
   }
 
   interface PDFAnnotationData {
-      subtype: string;
-      rect: number[]; // [x1, y1, x2, y2]
-      annotationFlags: any; // todo
-      color: number[]; // [r,g,b]
-      borderWidth: number;
-      hasAppearance: boolean;
+    subtype: string;
+    rect: number[]; // [x1, y1, x2, y2]
+    annotationFlags: any; // todo
+    color: number[]; // [r,g,b]
+    borderWidth: number;
+    hasAppearance: boolean;
   }
 
   interface PDFAnnotations {
-      getData(): PDFAnnotationData;
-      hasHtml(): boolean; // always false
-      getHtmlElement(commonOjbs: any): HTMLElement; // throw new NotImplementedException()
-      getEmptyContainer(tagName: string, rect: number[]): HTMLElement; // deprecated
-      isViewable(): boolean;
-      loadResources(keys: any): PDFPromise<any>;
-      getOperatorList(evaluator: any): PDFPromise<any>;
-      // ... todo
+    getData(): PDFAnnotationData;
+    hasHtml(): boolean; // always false
+    getHtmlElement(commonOjbs: any): HTMLElement; // throw new NotImplementedException()
+    getEmptyContainer(tagName: string, rect: number[]): HTMLElement; // deprecated
+    isViewable(): boolean;
+    loadResources(keys: any): PDFPromise<any>;
+    getOperatorList(evaluator: any): PDFPromise<any>;
+    // ... todo
   }
 
   interface PDFRenderTextLayer {
-      beginLayout(): void;
-      endLayout(): void;
-      appendText(): void;
+    beginLayout(): void;
+    endLayout(): void;
+    appendText(): void;
   }
 
   interface PDFRenderImageLayer {
-      beginLayout(): void;
-      endLayout(): void;
-      appendImage(): void;
+    beginLayout(): void;
+    endLayout(): void;
+    appendImage(): void;
   }
 
   interface PDFRenderParams {
-      canvasContext: CanvasRenderingContext2D;
-      viewport?: PDFPageViewport;
-      textLayer?: PDFRenderTextLayer;
-      imageLayer?: PDFRenderImageLayer;
-      continueCallback?: (_continue: () => void) => void;
+    canvasContext: CanvasRenderingContext2D;
+    viewport?: PDFPageViewport;
+    textLayer?: PDFRenderTextLayer;
+    imageLayer?: PDFRenderImageLayer;
+    continueCallback?: (_continue: () => void) => void;
   }
 
   interface PDFViewerParams {
-      container: HTMLElement;
-      viewer?: HTMLElement;
+    container: HTMLElement;
+    viewer?: HTMLElement;
   }
 
   /**
    * RenderTask is basically a promise but adds a cancel function to termiate it.
    **/
   interface PDFRenderTask extends PDFLoadingTask<PDFPageProxy> {
-
-      /**
-       * Cancel the rendering task.  If the task is currently rendering it will not be cancelled until graphics pauses with a timeout.  The promise that this object extends will resolve when cancelled.
-       **/
-      cancel(): void;
+    /**
+     * Cancel the rendering task.  If the task is currently rendering it will not be cancelled until graphics pauses with a timeout.  The promise that this object extends will resolve when cancelled.
+     **/
+    cancel(): void;
   }
 
   interface PDFPageProxy {
-
-      /**
-       * Page number of the page.  First page is 1.
-       **/
-      pageNumber: number;
-
-      /**
-       * The number of degrees the page is rotated clockwise.
-       **/
-      rotate: number;
-
-      /**
-       * The reference that points to this page.
-       **/
-      ref: PDFRef;
-
-      /**
-       * @return An array of the visible portion of the PDF page in the user space units - [x1, y1, x2, y2].
-       **/
-      view: number[];
-
-      /**
-       * @param scale The desired scale of the viewport.
-       * @param rotate Degrees to rotate the viewport.  If omitted this defaults to the page rotation.
-       * @param dontFlip
-       * @return
-       **/
-      getViewport(scale: number, rotate?: number, dontFlip?: boolean): PDFPageViewport;
-
-      /**
-       * A promise that is resolved with an array of the annotation objects.
-       **/
-      getAnnotations(): PDFPromise<PDFAnnotations>;
-
-      /**
-       * Begins the process of rendering a page to the desired context.
-       * @param params Rendering options.
-       * @return An extended promise that is resolved when the page finishes rendering.
-       **/
-      render(params: PDFRenderParams): PDFRenderTask;
-
-      /**
-       * A promise that is resolved with the string that is the text content frm the page.
-       **/
-      getTextContent(): PDFPromise<TextContent>;
-
-      /**
-       * marked as future feature
-       **/
-      //getOperationList(): PDFPromise<>;
-
-      /**
-       * Destroyes resources allocated by the page.
-       **/
-      destroy(): void;
+    /**
+     * Page number of the page.  First page is 1.
+     **/
+    pageNumber: number;
+
+    /**
+     * The number of degrees the page is rotated clockwise.
+     **/
+    rotate: number;
+
+    /**
+     * The reference that points to this page.
+     **/
+    ref: PDFRef;
+
+    /**
+     * @return An array of the visible portion of the PDF page in the user space units - [x1, y1, x2, y2].
+     **/
+    view: number[];
+
+    /**
+     * @param scale The desired scale of the viewport.
+     * @param rotate Degrees to rotate the viewport.  If omitted this defaults to the page rotation.
+     * @param dontFlip
+     * @return
+     **/
+    getViewport(
+      scale: number,
+      rotate?: number,
+      dontFlip?: boolean
+    ): PDFPageViewport;
+
+    /**
+     * A promise that is resolved with an array of the annotation objects.
+     **/
+    getAnnotations(): PDFPromise<PDFAnnotations>;
+
+    /**
+     * Begins the process of rendering a page to the desired context.
+     * @param params Rendering options.
+     * @return An extended promise that is resolved when the page finishes rendering.
+     **/
+    render(params: PDFRenderParams): PDFRenderTask;
+
+    /**
+     * A promise that is resolved with the string that is the text content frm the page.
+     **/
+    getTextContent(): PDFPromise<TextContent>;
+
+    /**
+     * marked as future feature
+     **/
+    //getOperationList(): PDFPromise<>;
+
+    /**
+     * Destroyes resources allocated by the page.
+     **/
+    destroy(): void;
   }
 
   interface TextContentItem {
-      str: string;
-      transform: number[]; // [0..5]   4=x, 5=y
-      width: number;
-      height: number;
-      dir: string; // Left-to-right (ltr), etc
-      fontName: string; // A lookup into the styles map of the owning TextContent
+    str: string;
+    transform: number[]; // [0..5]   4=x, 5=y
+    width: number;
+    height: number;
+    dir: string; // Left-to-right (ltr), etc
+    fontName: string; // A lookup into the styles map of the owning TextContent
   }
 
   interface TextContent {
-      items: TextContentItem[];
-      styles: any;
+    items: TextContentItem[];
+    styles: any;
   }
 
   /**
    * A PDF document and page is built of many objects.  E.g. there are objects for fonts, images, rendering code and such.  These objects might get processed inside of a worker.  The `PDFObjects` implements some basic functions to manage these objects.
    **/
   interface PDFObjects {
-      get(objId: number, callback?: any): any;
-      resolve(objId: number, data: any): any;
-      isResolved(objId: number): boolean;
-      hasData(objId: number): boolean;
-      getData(objId: number): any;
-      clear(): void;
+    get(objId: number, callback?: any): any;
+    resolve(objId: number, data: any): any;
+    isResolved(objId: number): boolean;
+    hasData(objId: number): boolean;
+    getData(objId: number): any;
+    clear(): void;
   }
 
   interface PDFJSUtilStatic {
-      /**
-       * Normalize rectangle so that (x1,y1) < (x2,y2)
-       * @param {number[]} rect - the rectangle with [x1,y1,x2,y2]
-       *
-       * For coordinate systems whose origin lies in the bottom-left, this
-       * means normalization to (BL,TR) ordering. For systems with origin in the
-       * top-left, this means (TL,BR) ordering.
-       **/
-      normalizeRect(rect:number[]): number[];
+    /**
+     * Normalize rectangle so that (x1,y1) < (x2,y2)
+     * @param {number[]} rect - the rectangle with [x1,y1,x2,y2]
+     *
+     * For coordinate systems whose origin lies in the bottom-left, this
+     * means normalization to (BL,TR) ordering. For systems with origin in the
+     * top-left, this means (TL,BR) ordering.
+     **/
+    normalizeRect(rect: number[]): number[];
   }
 
   export const PDFJS: PDFJSStatic;
 
   interface PDFJSStatic {
-      /**
-       * The maximum allowed image size in total pixels e.g. width * height.  Images above this value will not be drawn.  Use -1 for no limit.
-       **/
-      maxImageSize: number;
-
-      /**
-       * The url of where the predefined Adobe CMaps are located. Include trailing
-       * slash.
-       */
-      cMapUrl: string;
-
-      /**
-       * Specifies if CMaps are binary packed.
-       */
-      cMapPacked: boolean;
-
-      /**
-       * By default fonts are converted to OpenType fonts and loaded via font face rules.  If disabled, the font will be rendered using a built in font renderer that constructs the glyphs with primitive path commands.
-       **/
-      disableFontFace: boolean;
-
-      /**
-       * Path for image resources, mainly for annotation icons. Include trailing
-       * slash.
-       */
-      imageResourcesPath: string;
-
-      /**
-       * Disable the web worker and run all code on the main thread. This will happen
-       * automatically if the browser doesn't support workers or sending typed arrays
-       * to workers.
-       */
-      disableWorker: boolean;
-
-      /**
-       * Path and filename of the worker file. Required when the worker is enabled in
-       * development mode. If unspecified in the production build, the worker will be
-       * loaded based on the location of the pdf.js file.
-       */
-      workerSrc: string;
-
-      /**
-       * Disable range request loading of PDF files. When enabled and if the server
-       * supports partial content requests then the PDF will be fetched in chunks.
-       * Enabled (false) by default.
-       */
-      disableRange: boolean;
-
-      /**
-       * Disable streaming of PDF file data. By default PDF.js attempts to load PDF
-       * in chunks. This default behavior can be disabled.
-       */
-      disableStream: boolean;
-
-      /**
-       * Disable pre-fetching of PDF file data. When range requests are enabled PDF.js
-       * will automatically keep fetching more data even if it isn't needed to display
-       * the current page. This default behavior can be disabled.
-       *
-       * NOTE: It is also necessary to disable streaming, see above,
-       *       in order for disabling of pre-fetching to work correctly.
-       */
-      disableAutoFetch: boolean;
-
-      /**
-       * Enables special hooks for debugging PDF.js.
-       */
-      pdfBug: boolean;
-
-      /**
-       * Enables transfer usage in postMessage for ArrayBuffers.
-       */
-      postMessageTransfers: boolean;
-
-      /**
-       * Disables URL.createObjectURL usage.
-       */
-      disableCreateObjectURL: boolean;
-
-      /**
-       * Disables WebGL usage.
-       */
-      disableWebGL: boolean;
-
-      /**
-       * Disables fullscreen support, and by extension Presentation Mode,
-       * in browsers which support the fullscreen API.
-       */
-      disableFullscreen: boolean;
-
-      /**
-       * Disable the text layer of PDF when used PDF.js renders a canvas instead of div elements
-       *
-       */
-      disableTextLayer: boolean;
-
-      /**
-       * Enables CSS only zooming.
-       */
-      useOnlyCssZoom: boolean;
-
-      /**
-       * Controls the logging level.
-       * The constants from PDFJS.VERBOSITY_LEVELS should be used:
-       * - errors
-       * - warnings [default]
-       * - infos
-       */
-      verbosity: number;
-
-      /**
-       * The maximum supported canvas size in total pixels e.g. width * height.
-       * The default value is 4096 * 4096. Use -1 for no limit.
-       */
-      maxCanvasPixels: number;
-
-      /**
-       * Opens external links in a new window if enabled. The default behavior opens
-       * external links in the PDF.js window.
-       */
-      openExternalLinksInNewWindow: boolean;
-
-      /**
-       * Determines if we can eval strings as JS. Primarily used to improve
-       * performance for font rendering.
-       */
-      isEvalSupported: boolean;
-
-      PDFViewer(params: PDFViewerParams): void;
-      /**
-      * yet another viewer, this will render only one page at the time, reducing rendering time
-      * very important for mobile development
-      * @params {PDFViewerParams}
-      */
-      PDFSinglePageViewer(params: PDFViewerParams): void;
+    /**
+     * The maximum allowed image size in total pixels e.g. width * height.  Images above this value will not be drawn.  Use -1 for no limit.
+     **/
+    maxImageSize: number;
+
+    /**
+     * The url of where the predefined Adobe CMaps are located. Include trailing
+     * slash.
+     */
+    cMapUrl: string;
+
+    /**
+     * Specifies if CMaps are binary packed.
+     */
+    cMapPacked: boolean;
+
+    /**
+     * By default fonts are converted to OpenType fonts and loaded via font face rules.  If disabled, the font will be rendered using a built in font renderer that constructs the glyphs with primitive path commands.
+     **/
+    disableFontFace: boolean;
+
+    /**
+     * Path for image resources, mainly for annotation icons. Include trailing
+     * slash.
+     */
+    imageResourcesPath: string;
+
+    /**
+     * Disable the web worker and run all code on the main thread. This will happen
+     * automatically if the browser doesn't support workers or sending typed arrays
+     * to workers.
+     */
+    disableWorker: boolean;
+
+    /**
+     * Path and filename of the worker file. Required when the worker is enabled in
+     * development mode. If unspecified in the production build, the worker will be
+     * loaded based on the location of the pdf.js file.
+     */
+    workerSrc: string;
+
+    /**
+     * Disable range request loading of PDF files. When enabled and if the server
+     * supports partial content requests then the PDF will be fetched in chunks.
+     * Enabled (false) by default.
+     */
+    disableRange: boolean;
+
+    /**
+     * Disable streaming of PDF file data. By default PDF.js attempts to load PDF
+     * in chunks. This default behavior can be disabled.
+     */
+    disableStream: boolean;
+
+    /**
+     * Disable pre-fetching of PDF file data. When range requests are enabled PDF.js
+     * will automatically keep fetching more data even if it isn't needed to display
+     * the current page. This default behavior can be disabled.
+     *
+     * NOTE: It is also necessary to disable streaming, see above,
+     *       in order for disabling of pre-fetching to work correctly.
+     */
+    disableAutoFetch: boolean;
+
+    /**
+     * Enables special hooks for debugging PDF.js.
+     */
+    pdfBug: boolean;
+
+    /**
+     * Enables transfer usage in postMessage for ArrayBuffers.
+     */
+    postMessageTransfers: boolean;
+
+    /**
+     * Disables URL.createObjectURL usage.
+     */
+    disableCreateObjectURL: boolean;
+
+    /**
+     * Disables WebGL usage.
+     */
+    disableWebGL: boolean;
+
+    /**
+     * Disables fullscreen support, and by extension Presentation Mode,
+     * in browsers which support the fullscreen API.
+     */
+    disableFullscreen: boolean;
+
+    /**
+     * Disable the text layer of PDF when used PDF.js renders a canvas instead of div elements
+     *
+     */
+    disableTextLayer: boolean;
+
+    /**
+     * Enables CSS only zooming.
+     */
+    useOnlyCssZoom: boolean;
+
+    /**
+     * Controls the logging level.
+     * The constants from PDFJS.VERBOSITY_LEVELS should be used:
+     * - errors
+     * - warnings [default]
+     * - infos
+     */
+    verbosity: number;
+
+    /**
+     * The maximum supported canvas size in total pixels e.g. width * height.
+     * The default value is 4096 * 4096. Use -1 for no limit.
+     */
+    maxCanvasPixels: number;
+
+    /**
+     * Opens external links in a new window if enabled. The default behavior opens
+     * external links in the PDF.js window.
+     */
+    openExternalLinksInNewWindow: boolean;
+
+    /**
+     * Determines if we can eval strings as JS. Primarily used to improve
+     * performance for font rendering.
+     */
+    isEvalSupported: boolean;
+
+    PDFViewer(params: PDFViewerParams): void;
+    /**
+     * yet another viewer, this will render only one page at the time, reducing rendering time
+     * very important for mobile development
+     * @params {PDFViewerParams}
+     */
+    PDFSinglePageViewer(params: PDFViewerParams): void;
   }
 
   interface PDFLoadingTask<T> {
-      promise: PDFPromise<T>;
+    promise: PDFPromise<T>;
   }
 
-  declare const Util: PDFJSUtilStatic;
+  const Util: PDFJSUtilStatic;
 
   /**
    * This is the main entry point for loading a PDF and interacting with it.
@@ -445,30 +449,39 @@ declare module 'pdfjs-dist' {
    * @param progressCallback Progress callback.
    * @return A promise that is resolved with PDFDocumentProxy object.
    **/
-  declare function getDocument(
-      source: string,
-      pdfDataRangeTransport?: any,
-      passwordCallback?: (fn: (password: string) => void, reason: string) => string,
-      progressCallback?: (progressData: PDFProgressData) => void
+  function getDocument(
+    source: string,
+    pdfDataRangeTransport?: any,
+    passwordCallback?: (
+      fn: (password: string) => void,
+      reason: string
+    ) => string,
+    progressCallback?: (progressData: PDFProgressData) => void
   ): PDFLoadingTask<PDFDocumentProxy>;
 
-  declare function getDocument(
-      source: Uint8Array,
-      pdfDataRangeTransport?: any,
-      passwordCallback?: (fn: (password: string) => void, reason: string) => string,
-      progressCallback?: (progressData: PDFProgressData) => void
+  function getDocument(
+    source: Uint8Array,
+    pdfDataRangeTransport?: any,
+    passwordCallback?: (
+      fn: (password: string) => void,
+      reason: string
+    ) => string,
+    progressCallback?: (progressData: PDFProgressData) => void
   ): PDFLoadingTask<PDFDocumentProxy>;
 
-  declare function getDocument(
-      source: PDFSource,
-      pdfDataRangeTransport?: any,
-      passwordCallback?: (fn: (password: string) => void, reason: string) => string,
-      progressCallback?: (progressData: PDFProgressData) => void
+  function getDocument(
+    source: PDFSource,
+    pdfDataRangeTransport?: any,
+    passwordCallback?: (
+      fn: (password: string) => void,
+      reason: string
+    ) => string,
+    progressCallback?: (progressData: PDFProgressData) => void
   ): PDFLoadingTask<PDFDocumentProxy>;
 
   export const GlobalWorkerOptions: GWOptions;
 
   interface GWOptions {
     workerSrc: string;
-  };
+  }
 }
diff --git a/src/index.tsx b/src/index.tsx
index f3de815a..b5de956a 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -1,4 +1,4 @@
-import PdfJsLib from 'pdfjs-dist';
+import pdfjs from '@bundled-es-modules/pdfjs-dist/build/pdf';
 import React, { useState, useEffect, useRef, useMemo } from 'react';
 
 type ComponentProps = {
@@ -74,16 +74,16 @@ export const usePdf = ({
   const [pdf, setPdf] = useState();
 
   useEffect(() => {
-    PdfJsLib.GlobalWorkerOptions.workerSrc = workerSrc;
+    pdfjs.GlobalWorkerOptions.workerSrc = workerSrc;
   }, []);
 
   useEffect(() => {
-    const config: PdfJsLib.PDFSource = { url: file, withCredentials };
+    const config: pdfjs.PDFSource = { url: file, withCredentials };
     if (cMapUrl) {
       config.cMapUrl = cMapUrl;
       config.cMapPacked = cMapPacked;
     }
-    PdfJsLib.getDocument(config).promise.then(setPdf);
+    pdfjs.getDocument(config).promise.then(setPdf);
   }, [file, withCredentials]);
 
   // handle changes
diff --git a/yarn.lock b/yarn.lock
index 33917a40..72f235bd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -178,6 +178,11 @@
     lodash "^4.17.11"
     to-fast-properties "^2.0.0"
 
+"@bundled-es-modules/pdfjs-dist@2.1.266-rc":
+  version "2.1.266-rc"
+  resolved "https://registry.yarnpkg.com/@bundled-es-modules/pdfjs-dist/-/pdfjs-dist-2.1.266-rc.tgz#d77562dcec57b94f9533e1a774b30a3880fd583b"
+  integrity sha512-idli/i9GA7hUW8uRIs2Y48m5QHKRv3PaVxlM1VEoOuzWoF2qLdtOepOpIy3BTblakDNt2f/gINPN7X/v9DBKoQ==
+
 "@cnakazawa/watch@^1.0.3":
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/@cnakazawa/watch/-/watch-1.0.3.tgz#099139eaec7ebf07a27c1786a3ff64f39464d2ef"
@@ -3252,7 +3257,7 @@ loader-runner@^2.3.0:
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.4.0.tgz#ed47066bfe534d7e84c4c7b9998c2a75607d9357"
   integrity sha512-Jsmr89RcXGIwivFY21FcRrisYZfvLMTWx5kOLc+JTxtpBOG6xML0vzbc6SEQG2FO9/4Fc3wW4LVcB5DmGflaRw==
 
-loader-utils@^1.0.0, loader-utils@^1.1.0:
+loader-utils@^1.1.0:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.2.3.tgz#1ff5dc6911c9f0a062531a4c04b609406108c2c7"
   integrity sha512-fkpz8ejdnEMG3s37wGL07iSBDg99O9D5yflE9RGNH3hRdx9SOwYfnGYdZOUIZitN8E+E2vkq3MUMYMvPYl5ZZA==
@@ -3626,11 +3631,6 @@ nice-try@^1.0.4:
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
   integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
 
-node-ensure@^0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/node-ensure/-/node-ensure-0.0.0.tgz#ecae764150de99861ec5c810fd5d096b183932a7"
-  integrity sha1-7K52QVDemYYexcgQ/V0Jaxg5Mqc=
-
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -4048,14 +4048,6 @@ pbkdf2@^3.0.3:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-pdfjs-dist@2.1.266:
-  version "2.1.266"
-  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.1.266.tgz#cded02268b389559e807f410d2a729db62160026"
-  integrity sha512-Jy7o1wE3NezPxozexSbq4ltuLT0Z21ew/qrEiAEeUZzHxMHGk4DUV1D7RuCXg5vJDvHmjX1YssN+we9QfRRgXQ==
-  dependencies:
-    node-ensure "^0.0.0"
-    worker-loader "^2.0.0"
-
 performance-now@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
@@ -4720,14 +4712,6 @@ scheduler@^0.13.6:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
 
-schema-utils@^0.4.0:
-  version "0.4.7"
-  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.7.tgz#ba74f597d2be2ea880131746ee17d0a093c68187"
-  integrity sha512-v/iwU6wvwGK8HbU9yi3/nhGzP0yGSuhQMzL6ySiec1FSrZZDkhm4noOSWzrNFo/jEc+SJY6jRTwuwbSXJPDUnQ==
-  dependencies:
-    ajv "^6.1.0"
-    ajv-keywords "^3.1.0"
-
 schema-utils@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-1.0.0.tgz#0b79a93204d7b600d4b2850d1f66c2a34951c770"
@@ -5661,14 +5645,6 @@ worker-farm@^1.5.2:
   dependencies:
     errno "~0.1.7"
 
-worker-loader@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/worker-loader/-/worker-loader-2.0.0.tgz#45fda3ef76aca815771a89107399ee4119b430ac"
-  integrity sha512-tnvNp4K3KQOpfRnD20m8xltE3eWh89Ye+5oj7wXEEHKac1P4oZ6p9oTj8/8ExqoSBnk9nu5Pr4nKfQ1hn2APJw==
-  dependencies:
-    loader-utils "^1.0.0"
-    schema-utils "^0.4.0"
-
 wrap-ansi@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"