diff --git a/packages/e2e-tests/specs/__snapshots__/rich-text.test.js.snap b/packages/e2e-tests/specs/__snapshots__/rich-text.test.js.snap
index b408c3acfc60d6..f5c79ddbd33ac5 100644
--- a/packages/e2e-tests/specs/__snapshots__/rich-text.test.js.snap
+++ b/packages/e2e-tests/specs/__snapshots__/rich-text.test.js.snap
@@ -8,7 +8,7 @@ exports[`RichText should apply formatting when selection is collapsed 1`] = `
 
 exports[`RichText should apply formatting with access shortcut 1`] = `
 "<!-- wp:paragraph -->
-<p><del>test</del></p>
+<p><s>test</s></p>
 <!-- /wp:paragraph -->"
 `;
 
diff --git a/packages/format-library/src/strikethrough/index.js b/packages/format-library/src/strikethrough/index.js
index 636b1b1d9122ca..244fc513143e2c 100644
--- a/packages/format-library/src/strikethrough/index.js
+++ b/packages/format-library/src/strikethrough/index.js
@@ -11,7 +11,7 @@ const name = 'core/strikethrough';
 export const strikethrough = {
 	name,
 	title: __( 'Strikethrough' ),
-	tagName: 'del',
+	tagName: 's',
 	className: null,
 	edit( { isActive, value, onChange } ) {
 		const onToggle = () => onChange( toggleFormat( value, { type: name } ) );