diff --git a/docs/reference-guides/core-blocks.md b/docs/reference-guides/core-blocks.md
index 9993087ba7d993..81c53bf1c1869e 100644
--- a/docs/reference-guides/core-blocks.md
+++ b/docs/reference-guides/core-blocks.md
@@ -320,7 +320,7 @@ Display a list of your most recent comments. ([Source](https://github.com/WordPr
 
 -	**Name:** core/latest-comments
 -	**Category:** widgets
--	**Supports:** align, ~~html~~
+-	**Supports:** align, typography (fontSize, lineHeight), ~~html~~
 -	**Attributes:** commentsToShow, displayAvatar, displayDate, displayExcerpt
 
 ## Latest Posts
diff --git a/packages/block-library/src/latest-comments/block.json b/packages/block-library/src/latest-comments/block.json
index 4f8b0fbf542846..46d52fe63bbb46 100644
--- a/packages/block-library/src/latest-comments/block.json
+++ b/packages/block-library/src/latest-comments/block.json
@@ -29,7 +29,20 @@
 	},
 	"supports": {
 		"align": true,
-		"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-latest-comments-editor",
 	"style": "wp-block-latest-comments"