diff --git a/lib/class-wp-theme-json-data-gutenberg.php b/lib/class-wp-theme-json-data-gutenberg.php
index 6877a209b687f..c564016b1a711 100644
--- a/lib/class-wp-theme-json-data-gutenberg.php
+++ b/lib/class-wp-theme-json-data-gutenberg.php
@@ -38,7 +38,7 @@ class WP_Theme_JSON_Data_Gutenberg {
 	 * @param array  $data   Array following the theme.json specification.
 	 * @param string $origin The origin of the data: default, theme, user.
 	 */
-	public function __construct( $data = array(), $origin = 'theme' ) {
+	public function __construct( $data = array( 'version' => WP_Theme_JSON_Gutenberg::LATEST_SCHEMA ), $origin = 'theme' ) {
 		$this->origin     = $origin;
 		$this->theme_json = new WP_Theme_JSON_Gutenberg( $data, $this->origin );
 	}
diff --git a/lib/class-wp-theme-json-gutenberg.php b/lib/class-wp-theme-json-gutenberg.php
index 580ab5cc6472e..4d2a0c5129aaa 100644
--- a/lib/class-wp-theme-json-gutenberg.php
+++ b/lib/class-wp-theme-json-gutenberg.php
@@ -692,7 +692,7 @@ public static function get_element_class_name( $element ) {
 	 * @param string $origin     Optional. What source of data this object represents.
 	 *                           One of 'default', 'theme', or 'custom'. Default 'theme'.
 	 */
-	public function __construct( $theme_json = array(), $origin = 'theme' ) {
+	public function __construct( $theme_json = array( 'version' => WP_Theme_JSON_Gutenberg::LATEST_SCHEMA ), $origin = 'theme' ) {
 		if ( ! in_array( $origin, static::VALID_ORIGINS, true ) ) {
 			$origin = 'theme';
 		}
diff --git a/lib/class-wp-theme-json-resolver-gutenberg.php b/lib/class-wp-theme-json-resolver-gutenberg.php
index 16b2ad184b72b..bd7b375f18bcf 100644
--- a/lib/class-wp-theme-json-resolver-gutenberg.php
+++ b/lib/class-wp-theme-json-resolver-gutenberg.php
@@ -369,7 +369,7 @@ public static function get_block_data() {
 			return static::$blocks;
 		}
 
-		$config = array( 'version' => 2 );
+		$config = array( 'version' => WP_Theme_JSON_Gutenberg::LATEST_SCHEMA );
 		foreach ( $blocks as $block_name => $block_type ) {
 			if ( isset( $block_type->supports['__experimentalStyle'] ) ) {
 				$config['styles']['blocks'][ $block_name ] = static::remove_json_comments( $block_type->supports['__experimentalStyle'] );