diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
index cda61a2..33679ee 100644
--- a/.github/workflows/swift.yml
+++ b/.github/workflows/swift.yml
@@ -12,7 +12,7 @@ on:
 jobs:
   build:
 
-    runs-on: macos-latest
+    runs-on: self-hosted #macos-latest
 
     steps:
     - uses: actions/checkout@v3
diff --git a/Package.swift b/Package.swift
index 5688fd4..8949f11 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.7
+// swift-tools-version: 5.9
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription