diff --git a/playbook/app/pb_kits/playbook/pb_file_upload/_file_upload.tsx b/playbook/app/pb_kits/playbook/pb_file_upload/_file_upload.tsx
index 72d3e55179..a181e8787f 100644
--- a/playbook/app/pb_kits/playbook/pb_file_upload/_file_upload.tsx
+++ b/playbook/app/pb_kits/playbook/pb_file_upload/_file_upload.tsx
@@ -1,5 +1,5 @@
 import React, { useEffect, useCallback, useRef } from 'react'
-import { useDropzone, DropzoneInputProps, DropzoneRootProps } from 'react-dropzone'
+import { useDropzone, DropzoneInputProps, DropzoneRootProps, FileRejection } from 'react-dropzone'
 import classnames from 'classnames'
 
 import { buildCss, buildDataProps, noop, buildHtmlProps } from '../utilities/props'
@@ -9,8 +9,10 @@ import type { Callback } from '../types'
 import Body from '../pb_body/_body'
 import Card from '../pb_card/_card'
 
+import { isEmpty } from '../utilities/object'
+
 type FileUploadProps = {
-  accept?: string[],
+  accept?: Record<string, string[]>,
   className?: string,
   customMessage?: string,
   dark?: boolean,
@@ -19,7 +21,7 @@ type FileUploadProps = {
   acceptedFilesDescription?: string,
   maxSize?: number,
   onFilesAccepted: Callback<File, File>,
-  onFilesRejected: (error: string, files: File[]) => void,
+  onFilesRejected: (error: string, files: readonly FileRejection[]) => void,
 }
 
 const getFormattedFileSize = (fileSize: number): string => {
@@ -28,7 +30,7 @@ const getFormattedFileSize = (fileSize: number): string => {
 
 const FileUpload = (props: FileUploadProps): React.ReactElement => {
   const {
-    accept = null,
+    accept = {},
     acceptedFilesDescription = '',
     className,
     customMessage,
@@ -48,30 +50,37 @@ const FileUpload = (props: FileUploadProps): React.ReactElement => {
     getRootProps: () => DropzoneRootProps & any;
     getInputProps: () => DropzoneInputProps & any;
     isDragActive: boolean;
-    rejectedFiles: File[];
+    fileRejections: readonly FileRejection[];
   }
 
-  const { getRootProps, getInputProps, isDragActive, rejectedFiles }: DropZoneProps = useDropzone({
+  const { getRootProps, getInputProps, isDragActive, fileRejections }: DropZoneProps = useDropzone({
     accept,
     maxSize,
     onDrop,
   })
 
-  const prevRejected = useRef<File[] | null>(null);
+  const prevRejected = useRef<readonly FileRejection[] | null>(null);
 
-  const maxFileSizeText = `Max file size is ${getFormattedFileSize(maxSize)}.`
+  let maxFileSizeText = ''
+  if (maxSize !== undefined) {
+    maxFileSizeText = `Max file size is ${getFormattedFileSize(maxSize)}.`
+  }
 
   useEffect(() => {
-    if (rejectedFiles === prevRejected.current) return
-    const isFileTooLarge = maxSize && rejectedFiles.length > 0 && rejectedFiles[0].size > maxSize;
+    if (fileRejections === prevRejected.current) return
+    const isFileTooLarge = maxSize && fileRejections.length > 0 && fileRejections[0].file.size > maxSize;
     if (isFileTooLarge) {
-      onFilesRejected(`File size is too large! ${maxFileSizeText}`, rejectedFiles)
+      onFilesRejected(`File size is too large! ${maxFileSizeText}`, fileRejections)
     }
-    prevRejected.current = rejectedFiles
-  }, [maxFileSizeText, maxSize, onFilesRejected, rejectedFiles])
+    prevRejected.current = fileRejections
+  }, [maxFileSizeText, maxSize, onFilesRejected, fileRejections])
 
   const acceptedFileTypes = () => {
-    return accept.map((fileType) => {
+    if (!accept) {
+      return []
+    }
+
+    return Object.keys(accept).map((fileType) => {
       if (fileType.startsWith('image/')) {
         return fileType.replace('image/', ' ')
       } else {
@@ -86,7 +95,7 @@ const FileUpload = (props: FileUploadProps): React.ReactElement => {
   const getDescription = () => {
     return customMessage
       ? customMessage
-      : `Choose a file or drag it here.${accept === null ? '' : ` The accepted file types are: ${acceptedFilesDescription || acceptedFileTypes()}.`}${maxSize ? ` ${maxFileSizeText}` : ''}`;
+      : `Choose a file or drag it here.${isEmpty(accept) ? '' : ` The accepted file types are: ${acceptedFilesDescription || acceptedFileTypes()}.`}${maxSize ? ` ${maxFileSizeText}` : ''}`;
   }
 
   return (
diff --git a/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_accept.jsx b/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_accept.jsx
index 25d0568ad0..1e06264198 100644
--- a/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_accept.jsx
+++ b/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_accept.jsx
@@ -28,7 +28,9 @@ const FileUploadAccept = (props) => {
           {...props}
       />
       <FileUpload
-          accept={['image/svg+xml']}
+          accept={{
+            "image/svg+xml": [".svg", ".xml"],
+          }}
           onFilesAccepted={handleOnFilesAccepted}
           {...props}
       />
diff --git a/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_custom_description.jsx b/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_custom_description.jsx
index dbd91dd597..856baecf28 100644
--- a/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_custom_description.jsx
+++ b/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_custom_description.jsx
@@ -25,7 +25,10 @@ const FileUploadCustomDescription = (props) => {
           {...props}
       />
       <FileUpload
-          accept={['application/pdf','application/vnd.openxmlformats-officedocument.spreadsheetml.sheet']}
+          accept={{
+            "application/pdf": [".pdf"],
+            "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet": [".xlsx"],
+          }}
           acceptedFilesDescription="Adobe (.pdf) and Microsoft (.xslx)"
           onFilesAccepted={handleOnFilesAccepted}
           {...props}
diff --git a/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_max_size.jsx b/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_max_size.jsx
index 670799c347..8160b6671a 100644
--- a/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_max_size.jsx
+++ b/playbook/app/pb_kits/playbook/pb_file_upload/docs/_file_upload_max_size.jsx
@@ -18,7 +18,7 @@ const AcceptedFilesList = ({ files }) => (
 const RejectedFilesList = ({ files }) => (
   <List>
     {files.map((file) => (
-      <ListItem key={file.name}><Body color="error">{`${file.name} (file too large)`}</Body></ListItem>
+      <ListItem key={file.file.name}><Body color="error">{`${file.file.name} (file too large)`}</Body></ListItem>
     ))}
   </List>
 )
diff --git a/playbook/package.json b/playbook/package.json
index 82f12ac7bf..ab29ec76af 100644
--- a/playbook/package.json
+++ b/playbook/package.json
@@ -80,7 +80,7 @@
     "react": "^17.0.2",
     "react-animate-height": "^2.0.23",
     "react-dom": "^17.0.2",
-    "react-dropzone": "^10.2.2",
+    "react-dropzone": "^14.3.5",
     "react-highlight-words": "^0.20.0",
     "react-joyride": "^2.8.2",
     "react-modal": "^3.16.1",
diff --git a/yarn.lock b/yarn.lock
index 697638d6f8..25ce375090 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4543,10 +4543,10 @@ atob@^2.1.2:
   resolved "https://npm.powerapp.cloud/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
-attr-accept@^2.0.0:
-  version "2.2.2"
-  resolved "https://npm.powerapp.cloud/attr-accept/-/attr-accept-2.2.2.tgz#646613809660110749e92f2c10833b70968d929b"
-  integrity sha512-7prDjvt9HmqiZ0cl5CRjtS84sEyhsHP2coDkaZKRKVfCDo9s7iw7ChVmar78Gu9pC4SoR/28wFu/G5JJhTnqEg==
+attr-accept@^2.2.4:
+  version "2.2.5"
+  resolved "https://npm.powerapp.cloud/attr-accept/-/attr-accept-2.2.5.tgz#d7061d958e6d4f97bf8665c68b75851a0713ab5e"
+  integrity sha512-0bDNnY/u6pPwHDMoF0FieU354oBi0a8rD9FcsLwzcGWbc8KS8KPIi7y+s13OlVY+gMWc/9xEMUgNE6Qm8ZllYQ==
 
 autoprefixer@^10.4.13:
   version "10.4.19"
@@ -6577,12 +6577,12 @@ file-entry-cache@^5.0.1:
   dependencies:
     flat-cache "^2.0.1"
 
-file-selector@^0.1.12:
-  version "0.1.19"
-  resolved "https://npm.powerapp.cloud/file-selector/-/file-selector-0.1.19.tgz#8ecc9d069a6f544f2e4a096b64a8052e70ec8abf"
-  integrity sha512-kCWw3+Aai8Uox+5tHCNgMFaUdgidxvMnLWO6fM5sZ0hA2wlHP5/DHGF0ECe84BiB95qdJbKNEJhWKVDvMN+JDQ==
+file-selector@^2.1.0:
+  version "2.1.2"
+  resolved "https://npm.powerapp.cloud/file-selector/-/file-selector-2.1.2.tgz#fe7c7ee9e550952dfbc863d73b14dc740d7de8b4"
+  integrity sha512-QgXo+mXTe8ljeqUFaX3QVHc5osSItJ/Km+xpocx0aSqWGMSCf6qYs/VnzZgS864Pjn5iceMRFigeAV7AfTlaig==
   dependencies:
-    tslib "^2.0.1"
+    tslib "^2.7.0"
 
 filemanager-webpack-plugin@4.0.0:
   version "4.0.0"
@@ -10040,14 +10040,14 @@ react-dom@^17.0.2:
     object-assign "^4.1.1"
     scheduler "^0.20.2"
 
-react-dropzone@^10.2.2:
-  version "10.2.2"
-  resolved "https://npm.powerapp.cloud/react-dropzone/-/react-dropzone-10.2.2.tgz#67b4db7459589a42c3b891a82eaf9ade7650b815"
-  integrity sha512-U5EKckXVt6IrEyhMMsgmHQiWTGLudhajPPG77KFSvgsMqNEHSyGpqWvOMc5+DhEah/vH4E1n+J5weBNLd5VtyA==
+react-dropzone@^14.3.5:
+  version "14.3.5"
+  resolved "https://npm.powerapp.cloud/react-dropzone/-/react-dropzone-14.3.5.tgz#1a8bd312c8a353ec78ef402842ccb3589c225add"
+  integrity sha512-9nDUaEEpqZLOz5v5SUcFA0CjM4vq8YbqO0WRls+EYT7+DvxUdzDPKNCPLqGfj3YL9MsniCLCD4RFA6M95V6KMQ==
   dependencies:
-    attr-accept "^2.0.0"
-    file-selector "^0.1.12"
-    prop-types "^15.7.2"
+    attr-accept "^2.2.4"
+    file-selector "^2.1.0"
+    prop-types "^15.8.1"
 
 react-fast-compare@^3.0.1:
   version "3.2.0"
@@ -11526,6 +11526,11 @@ tslib@^2.6.2:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.3.tgz#0438f810ad7a9edcde7a241c3d80db693c8cbfe0"
   integrity sha512-xNvxJEOUiWPGhUuUdQgAJPKOOJfGnIyKySOc09XkKsgdUV/3E2zvwZYdejjmRgPCgcym1juLH3226yA7sEFJKQ==
 
+tslib@^2.7.0:
+  version "2.8.1"
+  resolved "https://npm.powerapp.cloud/tslib/-/tslib-2.8.1.tgz#612efe4ed235d567e8aba5f2a5fab70280ade83f"
+  integrity sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==
+
 tsutils@^3.21.0:
   version "3.21.0"
   resolved "https://npm.powerapp.cloud/tsutils/-/tsutils-3.21.0.tgz#b48717d394cea6c1e096983eed58e9d61715b623"