diff --git a/Package.swift b/Package.swift
index 57422ca..20d0f51 100644
--- a/Package.swift
+++ b/Package.swift
@@ -5,6 +5,14 @@ import PackageDescription
 
 let package = Package(
     name: "ArriClient",
+    // platforms: [
+    //     .iOS("13.0"),
+    //     .macCatalyst("13.0"),
+    //     .macOS("10.15"),
+    //     .tvOS("13.0"),
+    //     .visionOS("1.0"),
+    //     .watchOS("6.0")
+    // ],
     products: [
         // Products define the executables and libraries a package produces, making them visible to other packages.
         .library(
diff --git a/Sources/ArriClient/ArriClient.swift b/Sources/ArriClient/ArriClient.swift
index 2c17ffa..7b108f0 100644
--- a/Sources/ArriClient/ArriClient.swift
+++ b/Sources/ArriClient/ArriClient.swift
@@ -10,6 +10,7 @@ import NIOFoundationCompat
 let jsonEncoder = JSONEncoder()
 let jsonDecoder = JSONDecoder()
 
+@available(macOS 10.15, iOS 13, tvOS 13, macCatalyst 13, *)
 public func parsedArriHttpRequest<TParams: ArriClientModel, TResponse: ArriClientModel>(
     delegate: ArriRequestDelegate,
     url: String,
@@ -238,12 +239,12 @@ public func serializeAny(input: JSON) -> String {
 
 
 //// Request Delegate ////
-
+@available(macOS 10.15, iOS 13, tvOS 13, macCatalyst 13, *)
 public protocol ArriRequestDelegate {
     func handleHTTPRequest(request: ArriHTTPRequest) async throws -> ArriHTTPResponse<Data>
     func handleHTTPEventStreamRequest(request: ArriHTTPRequest) async throws -> ArriSSEResponse
 }
-
+@available(macOS 10.15, iOS 13, tvOS 13, macCatalyst 13, *)
 public struct DefaultRequestDelegate: ArriRequestDelegate {
     var maxBodyBytes: Int = 1024 * 1024
     public init() {}
@@ -307,6 +308,7 @@ public struct DefaultRequestDelegate: ArriRequestDelegate {
     }
 }
 
+@available(macOS 10.15, iOS 13, tvOS 13, macCatalyst 13, *)
 public enum ArriSSEResponse {
     case ok(ArriHTTPResponse<HTTPClientResponse.Body>)
     case error(ArriHTTPResponse<Data>)
@@ -386,6 +388,7 @@ public enum ArriResponseErrors: Error {
 }
 
 extension URLSession {
+    @available(macOS 10.15, iOS 13, tvOS 13, macCatalyst 13, *)
     func asyncData(with: URLRequest) async throws -> (Data?, HTTPURLResponse) {
         return try await withCheckedThrowingContinuation { continuation in
             URLSession.shared.dataTask(with: with) {data, response, error in 
@@ -596,10 +599,12 @@ public func sseEventListFromString(input: String, debug: Bool) -> ([RawSSEEvent]
     return (events, String(leftover))
 }
 
+@available(macOS 10.15, iOS 13, tvOS 13, macCatalyst 13, *)
 public protocol ArriCancellable {
     mutating func cancel() -> ()
 }
 
+@available(macOS 10.15, iOS 13, tvOS 13, macCatalyst 13, *)
 public struct EventSourceOptions<T: ArriClientModel> {
     public var onMessage: (T, inout EventSource<T>) -> ()
     public var onRequest: ((ArriHTTPRequest, inout EventSource<T>) -> ()) = { _, __ in }
@@ -666,6 +671,7 @@ public struct EventSourceOptions<T: ArriClientModel> {
     }
 }
 
+@available(macOS 10.15, iOS 13, tvOS 13, macCatalyst 13, *)
 public struct EventSource<T: ArriClientModel>: ArriCancellable {
     var url: String
     var method: String
@@ -701,6 +707,7 @@ public struct EventSource<T: ArriClientModel>: ArriCancellable {
         self.cancelled = true
     }
 
+    @available(macOS 10.15, iOS 13, tvOS 13, macCatalyst 13, *)
     public mutating func sendRequest() async {
         var urlComponents = URLComponents(string: self.url)
         if urlComponents == nil {
diff --git a/package.json b/package.json
index 2d19d60..90171e8 100644
--- a/package.json
+++ b/package.json
@@ -17,5 +17,6 @@
         "fs-extra": "^11.2.0",
         "jiti": "^1.21.6",
         "prettier": "^3.3.3"
-    }
+    },
+    "packageManager": "pnpm@9.6.0"
 }