diff --git a/src/constants.ts b/src/constants.ts
index 12e65d401d..82fd264e06 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -53,7 +53,7 @@ export const DECODED_ROUTES = {
   ],
 };
 
-export const UPLOAD_FILE_MAX_SIZE = 20 * 1024 * 1024; // 100mb
+export const UPLOAD_FILE_MAX_SIZE = 1 * 1024 * 1024 * 1024; // 1gb
 
 export const COURSE_BLOCK_NAMES = ({
   chapter: { id: 'chapter', name: 'Section' },
diff --git a/src/files-and-videos/files-page/CourseFilesTable.tsx b/src/files-and-videos/files-page/CourseFilesTable.tsx
index 98cb58157e..156bbe3aa9 100644
--- a/src/files-and-videos/files-page/CourseFilesTable.tsx
+++ b/src/files-and-videos/files-page/CourseFilesTable.tsx
@@ -75,7 +75,7 @@ export const CourseFilesTable = () => {
     usageErrorMessages: errorMessages.usageMetrics,
     fileType: 'file',
   };
-  const maxFileSize = 20 * 1048576;
+  const maxFileSize = 1 * 1024 * 1024 * 1024;
 
   const activeColumn = {
     id: 'activeStatus',
diff --git a/src/files-and-videos/generic/messages.js b/src/files-and-videos/generic/messages.js
index bb4badf86f..cbebda28ca 100644
--- a/src/files-and-videos/generic/messages.js
+++ b/src/files-and-videos/generic/messages.js
@@ -28,8 +28,8 @@ const messages = defineMessages({
   },
   fileSizeError: {
     id: 'course-authoring.files-and-upload.addFiles.error.fileSize',
-    defaultMessage: 'Uploaded file(s) must be 20 MB or less. Please resize file(s) and try again.',
-    description: 'This error message is shown when user tries to upload a file larger than 20 MB',
+    defaultMessage: 'Uploaded file(s) must be 1 GB or less. Please resize file(s) and try again.',
+    description: 'This error message is shown when user tries to upload a file larger than 1 GB',
   },
   noResultsFoundMessage: {
     id: 'course-authoring.files-and-upload.table.noResultsFound.message',