diff --git a/peekaboo-cli/Package.swift b/peekaboo-cli/Package.swift
index 7426aac..6646c8e 100644
--- a/peekaboo-cli/Package.swift
+++ b/peekaboo-cli/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.7
+// swift-tools-version: 5.9
 import PackageDescription
 
 let package = Package(