diff --git a/packages/block-library/src/button/block.json b/packages/block-library/src/button/block.json
index 740f3e50f84ee..d0f90b93467c9 100644
--- a/packages/block-library/src/button/block.json
+++ b/packages/block-library/src/button/block.json
@@ -93,6 +93,7 @@
 			"__experimentalTextTransform": true,
 			"__experimentalTextDecoration": true,
 			"__experimentalLetterSpacing": true,
+			"__experimentalWritingMode": true,
 			"__experimentalDefaultControls": {
 				"fontSize": true
 			}
diff --git a/packages/block-library/src/site-tagline/block.json b/packages/block-library/src/site-tagline/block.json
index 01ec727eb9053..2b1c0b1cb64c7 100644
--- a/packages/block-library/src/site-tagline/block.json
+++ b/packages/block-library/src/site-tagline/block.json
@@ -44,6 +44,7 @@
 			"__experimentalFontStyle": true,
 			"__experimentalFontWeight": true,
 			"__experimentalLetterSpacing": true,
+			"__experimentalWritingMode": true,
 			"__experimentalDefaultControls": {
 				"fontSize": true
 			}
diff --git a/packages/block-library/src/site-title/block.json b/packages/block-library/src/site-title/block.json
index 6179452cd15b7..518b458184e94 100644
--- a/packages/block-library/src/site-title/block.json
+++ b/packages/block-library/src/site-title/block.json
@@ -55,6 +55,7 @@
 			"__experimentalFontStyle": true,
 			"__experimentalFontWeight": true,
 			"__experimentalLetterSpacing": true,
+			"__experimentalWritingMode": true,
 			"__experimentalDefaultControls": {
 				"fontSize": true
 			}
diff --git a/packages/block-library/src/verse/block.json b/packages/block-library/src/verse/block.json
index 8e52c8bcfa30b..387ff3dfe1712 100644
--- a/packages/block-library/src/verse/block.json
+++ b/packages/block-library/src/verse/block.json
@@ -51,6 +51,7 @@
 			"__experimentalLetterSpacing": true,
 			"__experimentalTextTransform": true,
 			"__experimentalTextDecoration": true,
+			"__experimentalWritingMode": true,
 			"__experimentalDefaultControls": {
 				"fontSize": true
 			}