diff --git a/src/library-authoring/component-info/ComponentAdvancedInfo.test.tsx b/src/library-authoring/component-info/ComponentAdvancedInfo.test.tsx
index 238be40d39..862ccfe339 100644
--- a/src/library-authoring/component-info/ComponentAdvancedInfo.test.tsx
+++ b/src/library-authoring/component-info/ComponentAdvancedInfo.test.tsx
@@ -12,6 +12,7 @@ import {
   mockXBlockAssets,
   mockXBlockOLX,
 } from '../data/api.mocks';
+import * as apiHooks from '../data/apiHooks';
 import { LibraryProvider, SidebarBodyComponentId } from '../common/context';
 import { ComponentAdvancedInfo } from './ComponentAdvancedInfo';
 import { getXBlockAssetsApiUrl } from '../data/api';
@@ -25,6 +26,7 @@ const setOLXspy = mockSetXBlockOLX.applyMock();
 const render = (
   usageKey: string = mockLibraryBlockMetadata.usageKeyPublished,
   libraryId: string = mockContentLibrary.libraryId,
+  showOnlyPublished: boolean = false,
 ) => baseRender(
   <ComponentAdvancedInfo />,
   {
@@ -35,6 +37,7 @@ const render = (
           id: usageKey,
           type: SidebarBodyComponentId.ComponentInfo,
         }}
+        showOnlyPublished={showOnlyPublished}
       >
         {children}
       </LibraryProvider>
@@ -124,13 +127,31 @@ describe('<ComponentAdvancedInfo />', () => {
   });
 
   it('should display the OLX source of the block (when expanded)', async () => {
+    const usageKey = mockXBlockOLX.usageKeyHtml;
+    const spy = jest.spyOn(apiHooks, 'useXBlockOLX');
+
     render(mockXBlockOLX.usageKeyHtml);
     const expandButton = await screen.findByRole('button', { name: /Advanced details/ });
     fireEvent.click(expandButton);
-    // Because of syntax highlighting, the OLX will be borken up by many different tags so we need to search for
+    // Because of syntax highlighting, the OLX will be broken up by many different tags so we need to search for
+    // just a substring:
+    const olxPart = /This is a text component which uses/;
+    await waitFor(() => expect(screen.getByText(olxPart)).toBeInTheDocument());
+    expect(spy).toHaveBeenCalledWith(usageKey, 'draft');
+  });
+
+  it('should display the published OLX source of the block (when expanded)', async () => {
+    const usageKey = mockXBlockOLX.usageKeyHtml;
+    const spy = jest.spyOn(apiHooks, 'useXBlockOLX');
+
+    render(usageKey, undefined, true);
+    const expandButton = await screen.findByRole('button', { name: /Advanced details/ });
+    fireEvent.click(expandButton);
+    // Because of syntax highlighting, the OLX will be broken up by many different tags so we need to search for
     // just a substring:
     const olxPart = /This is a text component which uses/;
     await waitFor(() => expect(screen.getByText(olxPart)).toBeInTheDocument());
+    expect(spy).toHaveBeenCalledWith(usageKey, 'published');
   });
 
   it('does not display "Edit OLX" button and assets dropzone when the library is read-only', async () => {
diff --git a/src/library-authoring/component-info/ComponentAdvancedInfo.tsx b/src/library-authoring/component-info/ComponentAdvancedInfo.tsx
index a558ef6902..f3396e941f 100644
--- a/src/library-authoring/component-info/ComponentAdvancedInfo.tsx
+++ b/src/library-authoring/component-info/ComponentAdvancedInfo.tsx
@@ -21,7 +21,11 @@ import { ComponentAdvancedAssets } from './ComponentAdvancedAssets';
 
 const ComponentAdvancedInfoInner: React.FC<Record<never, never>> = () => {
   const intl = useIntl();
-  const { readOnly, sidebarComponentInfo } = useLibraryContext();
+  const {
+    readOnly,
+    sidebarComponentInfo,
+    showOnlyPublished,
+  } = useLibraryContext();
 
   const usageKey = sidebarComponentInfo?.id;
   // istanbul ignore if: this should never happen in production
@@ -29,7 +33,10 @@ const ComponentAdvancedInfoInner: React.FC<Record<never, never>> = () => {
     throw new Error('sidebarComponentUsageKey is required to render ComponentAdvancedInfo');
   }
 
-  const { data: olx, isLoading: isOLXLoading } = useXBlockOLX(usageKey);
+  const { data: olx, isLoading: isOLXLoading } = useXBlockOLX(
+    usageKey,
+    showOnlyPublished ? 'published' : 'draft',
+  );
   const editorRef = React.useRef<EditorAccessor | undefined>(undefined);
   const [isEditingOLX, setEditingOLX] = React.useState(false);
   const olxUpdater = useUpdateXBlockOLX(usageKey);
diff --git a/src/library-authoring/data/api.ts b/src/library-authoring/data/api.ts
index 2efdf9175b..35615df1c6 100644
--- a/src/library-authoring/data/api.ts
+++ b/src/library-authoring/data/api.ts
@@ -1,5 +1,6 @@
 import { camelCaseObject, getConfig, snakeCaseObject } from '@edx/frontend-platform';
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import { VersionSpec } from '../LibraryBlock';
 
 const getApiBaseUrl = () => getConfig().STUDIO_BASE_URL;
 
@@ -52,12 +53,14 @@ export const getLibraryPasteClipboardUrl = (libraryId: string) => `${getApiBaseU
   * Get the URL for the xblock fields/metadata API.
   */
 export const getXBlockFieldsApiUrl = (usageKey: string) => `${getApiBaseUrl()}/api/xblock/v2/xblocks/${usageKey}/fields/`;
-export const getXBlockFieldsVersionApiUrl = (usageKey: string, version: string) => `${getApiBaseUrl()}/api/xblock/v2/xblocks/${usageKey}@${version}/fields/`;
+export const getXBlockFieldsVersionApiUrl = (usageKey: string, version: VersionSpec) => `${getApiBaseUrl()}/api/xblock/v2/xblocks/${usageKey}@${version}/fields/`;
 
 /**
   * Get the URL for the xblock OLX API
   */
 export const getXBlockOLXApiUrl = (usageKey: string) => `${getLibraryBlockMetadataUrl(usageKey)}olx/`;
+export const getXBlockOLXVersionApiUrl = (usageKey: string, version: VersionSpec) => `${getApiBaseUrl()}/api/xblock/v2/xblocks/${usageKey}@${version}/olx/`;
+
 /**
  * Get the URL for the xblock Publish API
  */
@@ -391,7 +394,7 @@ export async function getLibraryBlockMetadata(usageKey: string): Promise<Library
 /**
  * Fetch xblock fields.
  */
-export async function getXBlockFields(usageKey: string, version: string = 'draft'): Promise<XBlockFields> {
+export async function getXBlockFields(usageKey: string, version: VersionSpec = 'draft'): Promise<XBlockFields> {
   const { data } = await getAuthenticatedHttpClient().get(getXBlockFieldsVersionApiUrl(usageKey, version));
   return camelCaseObject(data);
 }
@@ -418,8 +421,8 @@ export async function createCollection(libraryId: string, collectionData: Create
  * Fetch the OLX for the given XBlock.
  */
 // istanbul ignore next
-export async function getXBlockOLX(usageKey: string): Promise<string> {
-  const { data } = await getAuthenticatedHttpClient().get(getXBlockOLXApiUrl(usageKey));
+export async function getXBlockOLX(usageKey: string, version: VersionSpec = 'draft'): Promise<string> {
+  const { data } = await getAuthenticatedHttpClient().get(getXBlockOLXVersionApiUrl(usageKey, version));
   return data.olx;
 }
 
diff --git a/src/library-authoring/data/apiHooks.ts b/src/library-authoring/data/apiHooks.ts
index 09151a4602..549e211b8f 100644
--- a/src/library-authoring/data/apiHooks.ts
+++ b/src/library-authoring/data/apiHooks.ts
@@ -45,6 +45,7 @@ import {
   publishXBlock,
   deleteXBlockAsset,
 } from './api';
+import { VersionSpec } from '../LibraryBlock';
 
 export const libraryQueryPredicate = (query: Query, libraryId: string): boolean => {
   // Invalidate all content queries related to this library.
@@ -91,7 +92,7 @@ export const xblockQueryKeys = {
    */
   xblock: (usageKey?: string) => [...xblockQueryKeys.all, usageKey],
   /** Fields (i.e. the content, display name, etc.) of an XBlock */
-  xblockFields: (usageKey: string, version: string = 'draft') => [...xblockQueryKeys.xblock(usageKey), 'fields', version],
+  xblockFields: (usageKey: string, version: VersionSpec = 'draft') => [...xblockQueryKeys.xblock(usageKey), 'fields', version],
   /** OLX (XML representation of the fields/content) */
   xblockOLX: (usageKey: string) => [...xblockQueryKeys.xblock(usageKey), 'OLX'],
   /** assets (static files) */
@@ -293,7 +294,7 @@ export const useLibraryBlockMetadata = (usageId: string | undefined) => (
   })
 );
 
-export const useXBlockFields = (usageKey: string, version: string = 'draft') => (
+export const useXBlockFields = (usageKey: string, version: VersionSpec = 'draft') => (
   useQuery({
     queryKey: xblockQueryKeys.xblockFields(usageKey, version),
     queryFn: () => getXBlockFields(usageKey, version),
@@ -350,10 +351,10 @@ export const useCreateLibraryCollection = (libraryId: string) => {
 };
 
 /** Get the OLX source of a library component */
-export const useXBlockOLX = (usageKey: string) => (
+export const useXBlockOLX = (usageKey: string, version: VersionSpec) => (
   useQuery({
     queryKey: xblockQueryKeys.xblockOLX(usageKey),
-    queryFn: () => getXBlockOLX(usageKey),
+    queryFn: () => getXBlockOLX(usageKey, version),
     enabled: !!usageKey,
   })
 );