diff --git a/Sources/sonyalib/Package.swift b/Sources/sonyalib/Package.swift
index 77af91d..1fc3c6f 100644
--- a/Sources/sonyalib/Package.swift
+++ b/Sources/sonyalib/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 6.2
+// swift-tools-version: 6.1
 import PackageDescription
 
 let package = Package(