diff --git a/src/wp-includes/post.php b/src/wp-includes/post.php
index 56cd4a8cd5..ed95625d10 100644
--- a/src/wp-includes/post.php
+++ b/src/wp-includes/post.php
@@ -305,6 +305,7 @@ function create_initial_post_types() {
 			'supports'              => array(
 				'title',
 				'editor',
+				'revisions',
 			),
 		)
 	);
diff --git a/tests/phpunit/tests/rest-api/rest-schema-setup.php b/tests/phpunit/tests/rest-api/rest-schema-setup.php
index 3d0628d7ee..042c778d67 100644
--- a/tests/phpunit/tests/rest-api/rest-schema-setup.php
+++ b/tests/phpunit/tests/rest-api/rest-schema-setup.php
@@ -103,6 +103,8 @@ class WP_Test_REST_Schema_Initialization extends WP_Test_REST_TestCase {
 			'/wp/v2/blocks/(?P<id>[\d]+)',
 			'/wp/v2/blocks/(?P<id>[\d]+)/autosaves',
 			'/wp/v2/blocks/(?P<parent>[\d]+)/autosaves/(?P<id>[\d]+)',
+			'/wp/v2/blocks/(?P<parent>[\d]+)/revisions',
+			'/wp/v2/blocks/(?P<parent>[\d]+)/revisions/(?P<id>[\d]+)',
 			'/wp/v2/types',
 			'/wp/v2/types/(?P<type>[\\w-]+)',
 			'/wp/v2/statuses',