diff --git a/Package.swift b/Package.swift
index dc86716..bb13d78 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,5 +1,4 @@
-// swift-tools-version: 6.0
-// The swift-tools-version declares the minimum version of Swift required to build this package.
+// swift-tools-version: 5.9
 
 import PackageDescription