diff --git a/Sources/Lifecycle/Lifecycle.swift b/Sources/Lifecycle/Lifecycle.swift
index ce2176a..5d00351 100644
--- a/Sources/Lifecycle/Lifecycle.swift
+++ b/Sources/Lifecycle/Lifecycle.swift
@@ -95,8 +95,8 @@ public struct LifecycleHandler {
     }
 }
 
-#if compiler(>=5.5) && canImport(_Concurrency)
-@available(macOS 12.0, *)
+#if canImport(_Concurrency) && compiler(>=5.5.2)
+@available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
 extension LifecycleHandler {
     public init(_ handler: @escaping () async throws -> Void) {
         self = LifecycleHandler { callback in
@@ -159,8 +159,8 @@ public struct LifecycleStartHandler<State> {
     }
 }
 
-#if compiler(>=5.5) && canImport(_Concurrency)
-@available(macOS 12.0, *)
+#if canImport(_Concurrency) && compiler(>=5.5.2)
+@available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
 extension LifecycleStartHandler {
     public init(_ handler: @escaping () async throws -> State) {
         self = LifecycleStartHandler { callback in
@@ -221,8 +221,8 @@ public struct LifecycleShutdownHandler<State> {
     }
 }
 
-#if compiler(>=5.5) && canImport(_Concurrency)
-@available(macOS 12.0, *)
+#if canImport(_Concurrency) && compiler(>=5.5.2)
+@available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
 extension LifecycleShutdownHandler {
     public init(_ handler: @escaping (State) async throws -> Void) {
         self = LifecycleShutdownHandler { state, callback in