diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-templates-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-templates-controller.php
index 49e5c8d829..df8a3dcd6d 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-templates-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-templates-controller.php
@@ -105,7 +105,7 @@ class WP_REST_Templates_Controller extends WP_REST_Controller {
 				// Excludes invalid directory name characters: `/:<>*?"|`.
 				'([^\/:<>\*\?"\|]+(?:\/[^\/:<>\*\?"\|]+)?)',
 				// Matches the template name.
-				'[\/\w-]+'
+				'[\/\w%-]+'
 			),
 			array(
 				'args'   => array(
@@ -834,7 +834,7 @@ class WP_REST_Templates_Controller extends WP_REST_Controller {
 					'context'     => array( 'embed', 'view', 'edit' ),
 					'required'    => true,
 					'minLength'   => 1,
-					'pattern'     => '[a-zA-Z0-9_\-]+',
+					'pattern'     => '[a-zA-Z0-9_\%-]+',
 				),
 				'theme'          => array(
 					'description' => __( 'Theme identifier for the template.' ),
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 3b6a80cb80..55940f1bd0 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.2-beta1-55293';
+$wp_version = '6.2-beta1-55294';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.