diff --git a/Core/Package.swift b/Core/Package.swift
index 8e2e58cc..08ce8d4a 100644
--- a/Core/Package.swift
+++ b/Core/Package.swift
@@ -8,7 +8,7 @@ import PackageDescription
 
 let package = Package(
     name: "Core",
-    platforms: [.macOS(.v12)],
+    platforms: [.macOS(.v13)],
     products: [
         .library(
             name: "Service",
diff --git a/Tool/Package.swift b/Tool/Package.swift
index b54bd789..64c6d2fb 100644
--- a/Tool/Package.swift
+++ b/Tool/Package.swift
@@ -5,7 +5,7 @@ import PackageDescription
 
 let package = Package(
     name: "Tool",
-    platforms: [.macOS(.v12)],
+    platforms: [.macOS(.v13)],
     products: [
         .library(name: "XPCShared", targets: ["XPCShared"]),
         .library(name: "Terminal", targets: ["Terminal"]),