diff --git a/docs/reference-guides/core-blocks/README.md b/docs/reference-guides/core-blocks/README.md
index 1fc11507e7759c..352c50d99e8327 100644
--- a/docs/reference-guides/core-blocks/README.md
+++ b/docs/reference-guides/core-blocks/README.md
@@ -375,7 +375,7 @@ Introduce new sections and organize content to help visitors (and search engines
 
 -	**Name:** [core/heading](https://developer.wordpress.org/block-editor/reference-guides/core-blocks/core-blocks-text/core-block-heading/)
 -	**Category:** [text](https://developer.wordpress.org/block-editor/reference-guides/core-blocks/core-blocks-text/)
--	**Supports:** __unstablePasteTextInline, align (full, wide), anchor, background (backgroundImage, backgroundSize, gradient), className, color (background, gradients, link, text), interactivity (clientNavigation), shadow, spacing (margin, padding), splitting, typography (fitText, fontSize, lineHeight, textAlign, textShadow)
+-	**Supports:** __unstablePasteTextInline, align (full, wide), anchor, background (backgroundImage, backgroundSize, gradient), className, color (background, gradients, link, text), dimensions (minHeight, minWidth), interactivity (clientNavigation), shadow, spacing (margin, padding), splitting, typography (fitText, fontSize, lineHeight, textAlign, textShadow)
 -	**Attributes:** content, level, levelOptions, placeholder
 
 ## Home Link
diff --git a/packages/block-library/src/heading/README.md b/packages/block-library/src/heading/README.md
index 91fb6d0074a025..b985772f20f6ff 100644
--- a/packages/block-library/src/heading/README.md
+++ b/packages/block-library/src/heading/README.md
@@ -35,6 +35,9 @@ _Defined via the [`supports`](https://developer.wordpress.org/block-editor/refer
 - [`color`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color):
   - [`gradients`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color-gradients): `true`
   - [`link`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color-link): `true`
+- [`dimensions`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#dimensions):
+  - `minHeight`: `true`
+  - `minWidth`: `true`
 - [`shadow`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#shadow): `true`
 - [`spacing`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#spacing):
   - `margin`: `true`
diff --git a/packages/block-library/src/heading/block.json b/packages/block-library/src/heading/block.json
index 4498f79781735d..525a5b5877b51e 100644
--- a/packages/block-library/src/heading/block.json
+++ b/packages/block-library/src/heading/block.json
@@ -53,6 +53,10 @@
 				"text": true
 			}
 		},
+		"dimensions": {
+			"minHeight": true,
+			"minWidth": true
+		},
 		"shadow": true,
 		"spacing": {
 			"margin": true,