diff --git a/Package.swift b/Package.swift
index af61c5b..237f15b 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.9
+// swift-tools-version: 5.7
 import PackageDescription
 
 let package = Package(