diff --git a/Package.swift b/Package.swift
index 216c7275..c08ae087 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 6.3
+// swift-tools-version: 6.1
 
 import CompilerPluginSupport
 import PackageDescription