diff --git a/packages/block-library/src/post-navigation-link/block.json b/packages/block-library/src/post-navigation-link/block.json
index fd83ca3632a43b..c7e53bdce0af37 100644
--- a/packages/block-library/src/post-navigation-link/block.json
+++ b/packages/block-library/src/post-navigation-link/block.json
@@ -36,10 +36,11 @@
 			"fontSize": true,
 			"lineHeight": true,
 			"__experimentalFontFamily": true,
-			"__experimentalFontStyle": true,
 			"__experimentalFontWeight": true,
-			"__experimentalLetterSpacing": true,
+			"__experimentalFontStyle": true,
 			"__experimentalTextTransform": true,
+			"__experimentalTextDecoration": true,
+			"__experimentalLetterSpacing": true,
 			"__experimentalDefaultControls": {
 				"fontSize": true
 			}