diff --git a/composer.json b/composer.json
index 4391767..d258ced 100644
--- a/composer.json
+++ b/composer.json
@@ -59,16 +59,16 @@
 		"test": [
 			"@php -r \"file_exists( 'tests/wordpress/wp-content/db.php' ) || copy( 'tests/wordpress/wp-content/plugins/sqlite-database-integration/db.copy', 'tests/wordpress/wp-content/db.php' );\"",
 
-			"npm run validate",
-			"./tests/bin/build-wp-types.sh",
-			"npm run test-wp-types",
-
 			"rm -f tests/wordpress/wp-content/database/.ht.sqlite",
 			"wp core multisite-install --url=example.org --title=Example --admin_user=admin --admin_email=admin@example.org --skip-email",
 			"wp language core install de_DE it_IT ar he_IL",
 
 			"wp json-dump --theme=twentytwentyone",
 			"wp json-dump",
+
+			"npm run validate",
+			"./tests/bin/build-wp-types.sh",
+			"npm run test-wp-types",
 			"./tests/bin/test.sh"
 		]
 	},
diff --git a/packages/wp-types/index.ts b/packages/wp-types/index.ts
index 312b306..dc109c8 100644
--- a/packages/wp-types/index.ts
+++ b/packages/wp-types/index.ts
@@ -4002,6 +4002,7 @@ export const enum WP_Http_Status_Code {
 	UNPROCESSABLE_ENTITY = 422,
 	LOCKED = 423,
 	FAILED_DEPENDENCY = 424,
+	TOO_EARLY = 425,
 	UPGRADE_REQUIRED = 426,
 	PRECONDITION_REQUIRED = 428,
 	TOO_MANY_REQUESTS = 429,
diff --git a/schemas/rest-api/properties/http-status-code.json b/schemas/rest-api/properties/http-status-code.json
index 0cb59c1..3cfacdf 100644
--- a/schemas/rest-api/properties/http-status-code.json
+++ b/schemas/rest-api/properties/http-status-code.json
@@ -49,6 +49,7 @@
 		"UNPROCESSABLE_ENTITY",
 		"LOCKED",
 		"FAILED_DEPENDENCY",
+		"TOO_EARLY",
 		"UPGRADE_REQUIRED",
 		"PRECONDITION_REQUIRED",
 		"TOO_MANY_REQUESTS",
@@ -111,6 +112,7 @@
 		422,
 		423,
 		424,
+		425,
 		426,
 		428,
 		429,
diff --git a/tests/mu-plugins/mu-plugin.php b/tests/mu-plugins/mu-plugin.php
index f7b09b3..d02c11a 100644
--- a/tests/mu-plugins/mu-plugin.php
+++ b/tests/mu-plugins/mu-plugin.php
@@ -177,6 +177,38 @@ function save_external_schema( string $url, string $name, array $path = [] ) : v
 	}
 }
 
+function set_schema_field( string $filename, string $key, mixed $value ) : void {
+	$target = dirname( ABSPATH, 2 ) . "/" . $filename;
+	$file = file_get_contents( $target );
+
+	if ( ! $file ) {
+		throw new \Exception( "Failed to open {$filename} schema file." );
+	}
+
+	$data = json_decode( $file, true );
+
+	if ( ! $data ) {
+		throw new \Exception( "Failed to parse {$filename} schema." );
+	}
+
+	$data[ $key ] = $value;
+
+	$json = json_encode( $data, JSON_PRETTY_PRINT ^ JSON_UNESCAPED_SLASHES );
+
+	$printer = new Printer\Printer();
+
+	$json = $printer->print(
+		$json,
+		"\t",
+	);
+
+	$result = file_put_contents( $target, $json . "\n" );
+
+	if ( ! $result ) {
+		throw new \Exception( "Failed to save {$filename} schema." );
+	}
+}
+
 /**
  * Helper function for performing an internal REST API request and returning its response data.
  *
diff --git a/tests/output/http.php b/tests/output/http.php
new file mode 100644
index 0000000..9a6c828
--- /dev/null
+++ b/tests/output/http.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace WPJsonSchemas;
+
+$http = _wp_http_get_object();
+$reflection = new \ReflectionClass( $http );
+$constants = $reflection->getConstants();
+$file = 'schemas/rest-api/properties/http-status-code.json';
+
+set_schema_field( $file, 'tsEnumNames', array_keys( $constants ) );
+set_schema_field( $file, 'enum', array_values( $constants ) );