diff --git a/components/modal/src/modal-title/modal-title.js b/components/modal/src/modal-title/modal-title.js
index 5ac103b05a..95c32c2c1c 100644
--- a/components/modal/src/modal-title/modal-title.js
+++ b/components/modal/src/modal-title/modal-title.js
@@ -26,6 +26,6 @@ ModalTitle.defaultProps = {
 }
 
 ModalTitle.propTypes = {
-    children: PropTypes.string,
+    children: PropTypes.node,
     dataTest: PropTypes.string,
 }
diff --git a/components/modal/types/index.d.ts b/components/modal/types/index.d.ts
index ac9673c8bf..601f493717 100644
--- a/components/modal/types/index.d.ts
+++ b/components/modal/types/index.d.ts
@@ -36,7 +36,7 @@ export interface ModalContentProps {
 export const ModalContent: React.FC<ModalContentProps>
 
 export interface ModalTitleProps {
-    children?: string
+    children?: React.ReactNode
     dataTest?: string
 }