diff --git a/packages/sanity/src/core/releases/tool/components/Table/types.ts b/packages/sanity/src/core/releases/tool/components/Table/types.ts
index 690f56cfb1a..6f1e22b91d7 100644
--- a/packages/sanity/src/core/releases/tool/components/Table/types.ts
+++ b/packages/sanity/src/core/releases/tool/components/Table/types.ts
@@ -17,7 +17,7 @@ export interface Column<TableData = unknown> {
   width: number | null
   style?: CSSProperties
   sorting?: boolean
-  sortTransform?: (value: TableData) => number
+  sortTransform?: (value: TableData) => number | string
 }
 
 export interface TableHeaderProps {
diff --git a/packages/sanity/src/core/releases/tool/detail/__tests__/ReleaseSummary.test.tsx b/packages/sanity/src/core/releases/tool/detail/__tests__/ReleaseSummary.test.tsx
index 1da5bf1cf8a..1c6f00e03dd 100644
--- a/packages/sanity/src/core/releases/tool/detail/__tests__/ReleaseSummary.test.tsx
+++ b/packages/sanity/src/core/releases/tool/detail/__tests__/ReleaseSummary.test.tsx
@@ -62,6 +62,7 @@ const releaseDocuments: DocumentInRelease[] = [
     memoKey: '456',
     document: {
       ...documentsInRelease.document,
+      _updatedAt: new Date().toISOString(),
       _id: '456',
       _rev: 'abc',
       title: 'Second document',
@@ -210,7 +211,6 @@ describe('ReleaseSummary', () => {
     within(sortedCreatedAscFirstDocument).getByText('Second document')
     within(sortedCreatedAscSecondDocument).getByText('First document')
 
-    fireEvent.click(within(screen.getByRole('table')).getByText('Edited'))
     fireEvent.click(within(screen.getByRole('table')).getByText('Edited'))
 
     const [sortedEditedDescFirstDocument, sortedEditedDescSecondDocument] =
diff --git a/packages/sanity/src/core/releases/tool/detail/documentTable/DocumentTableColumnDefs.tsx b/packages/sanity/src/core/releases/tool/detail/documentTable/DocumentTableColumnDefs.tsx
index 103a576d6e1..5bac2c6b341 100644
--- a/packages/sanity/src/core/releases/tool/detail/documentTable/DocumentTableColumnDefs.tsx
+++ b/packages/sanity/src/core/releases/tool/detail/documentTable/DocumentTableColumnDefs.tsx
@@ -94,6 +94,9 @@ export const getDocumentTableColumnDefs: (
     id: 'search',
     width: null,
     style: {minWidth: '50%', maxWidth: '50%'},
+    sortTransform(value) {
+      return value.previewValues.values.title?.toLowerCase() || 0
+    },
     header: (props) => (
       <Headers.TableHeaderSearch {...props} placeholder={t('search-documents-placeholder')} />
     ),