diff --git a/components/summary-list/src/SummaryListContainer.tsx b/components/summary-list/src/SummaryListContainer.tsx
index dcc35679a..213ebac9f 100644
--- a/components/summary-list/src/SummaryListContainer.tsx
+++ b/components/summary-list/src/SummaryListContainer.tsx
@@ -1,7 +1,7 @@
-import { FC, createElement as h } from 'react';
+import { FC, HTMLAttributes, createElement as h } from 'react';
 import { StandardProps, classBuilder } from '@not-govuk/component-helpers';
 
-export type SummaryListContainerProps = StandardProps & {
+export type SummaryListContainerProps = StandardProps & HTMLAttributes<HTMLDListElement> & {
 };
 
 export const SummaryListContainer: FC<SummaryListContainerProps> = ({
diff --git a/components/summary-list/src/SummaryListItem.tsx b/components/summary-list/src/SummaryListItem.tsx
index 54e3ba753..91509f4dd 100644
--- a/components/summary-list/src/SummaryListItem.tsx
+++ b/components/summary-list/src/SummaryListItem.tsx
@@ -1,11 +1,11 @@
-import { FC, ReactNode, createElement as h } from 'react';
+import { FC, HTMLAttributes, ReactNode, createElement as h } from 'react';
 import { Anchor, AnchorList } from '@not-govuk/anchor-list';
 import { A } from '@not-govuk/link';
 import { StandardProps, classBuilder } from '@not-govuk/component-helpers';
 
 export type Action = Anchor;
 
-export type SummaryListItemProps = StandardProps & {
+export type SummaryListItemProps = StandardProps & HTMLAttributes<HTMLDivElement> & {
   /** Name or 'key' of the item */
   name: ReactNode | string
   /** Value of the item */