diff --git a/.swift-version b/.swift-version
index 3659ea2..f3b5af3 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-5.8
+6.1.1
diff --git a/Benchmarks/Package.swift b/Benchmarks/Package.swift
index 68efcc9..d66a082 100644
--- a/Benchmarks/Package.swift
+++ b/Benchmarks/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.8
+// swift-tools-version: 6.1.1
 
 import PackageDescription
 
diff --git a/Package.swift b/Package.swift
index a18d8ec..fa3f113 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.8
+// swift-tools-version:6.1.1
 import PackageDescription
 
 let package = Package(