diff --git a/Package.swift b/Package.swift
index 4111566..44ca8ab 100644
--- a/Package.swift
+++ b/Package.swift
@@ -6,10 +6,10 @@ import PackageDescription
 let package = Package(
     name: "Typhoon",
     platforms: [
-        .iOS(.v15),
-        .macOS(.v12),
-        .tvOS(.v15),
-        .watchOS(.v8),
+        .iOS(.v13),
+        .macOS(.v10_15),
+        .tvOS(.v13),
+        .watchOS(.v6),
         .visionOS(.v1),
     ],
     products: [
diff --git a/Package@swift-5.7.swift b/Package@swift-5.7.swift
index 35591a4..d50fa8a 100644
--- a/Package@swift-5.7.swift
+++ b/Package@swift-5.7.swift
@@ -6,10 +6,10 @@ import PackageDescription
 let package = Package(
     name: "Typhoon",
     platforms: [
-        .iOS(.v15),
-        .macOS(.v12),
-        .tvOS(.v15),
-        .watchOS(.v8),
+        .iOS(.v13),
+        .macOS(.v10_15),
+        .tvOS(.v13),
+        .watchOS(.v6),
     ],
     products: [
         .library(name: "Typhoon", targets: ["Typhoon"]),
diff --git a/README.md b/README.md
index 3686936..2e694c9 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ do {
 
 ## Requirements
 
-- iOS 15.0+ / macOS 12+ / tvOS 15.0+ / watchOS 8.0+ / visionOS 1.0+
+- iOS 13.0+ / macOS 10.15+ / tvOS 13.0+ / watchOS 6.0+ / visionOS 1.0+
 - Xcode 14.0
 - Swift 5.7