diff --git a/docs/reference-guides/core-blocks.md b/docs/reference-guides/core-blocks.md
index 1e0ffa81c26dd4..5203c0600bcf04 100644
--- a/docs/reference-guides/core-blocks.md
+++ b/docs/reference-guides/core-blocks.md
@@ -410,7 +410,7 @@ Add a submenu to your navigation. ([Source](https://github.com/WordPress/gutenbe
 
 -	**Name:** core/navigation-submenu
 -	**Category:** design
--	**Supports:** ~~html~~, ~~reusable~~
+-	**Supports:** typography (fontSize, lineHeight), ~~html~~, ~~reusable~~
 -	**Attributes:** description, id, isTopLevelItem, kind, label, opensInNewTab, rel, title, type, url
 
 ## Page Break
diff --git a/packages/block-library/src/navigation-submenu/block.json b/packages/block-library/src/navigation-submenu/block.json
index f311a9f36e41a7..ede6ad31958722 100644
--- a/packages/block-library/src/navigation-submenu/block.json
+++ b/packages/block-library/src/navigation-submenu/block.json
@@ -58,7 +58,20 @@
 	],
 	"supports": {
 		"reusable": false,
-		"html": false
+		"html": false,
+		"typography": {
+			"fontSize": true,
+			"lineHeight": true,
+			"__experimentalFontFamily": true,
+			"__experimentalFontWeight": true,
+			"__experimentalFontStyle": true,
+			"__experimentalTextTransform": true,
+			"__experimentalTextDecoration": true,
+			"__experimentalLetterSpacing": true,
+			"__experimentalDefaultControls": {
+				"fontSize": true
+			}
+		}
 	},
 	"editorStyle": "wp-block-navigation-submenu-editor",
 	"style": "wp-block-navigation-submenu"