diff --git a/.github/workflows/main-safety.yml b/.github/workflows/main-safety.yml
index a6c3445..42df5f0 100644
--- a/.github/workflows/main-safety.yml
+++ b/.github/workflows/main-safety.yml
@@ -12,12 +12,15 @@ jobs:
 
     runs-on: macos-latest
     steps:
-    - uses: swift-actions/setup-swift@v2
+    - uses: actions/checkout@v4
       with:
-        swift-version: "6.0.0"
+        swift-version: "5.10.0"
+        
     - name: Get swift version
       run: swift --version
+      
     - name: Build
       run: swift build -v
+
     - name: Run tests
       run: swift test -v
diff --git a/Package.swift b/Package.swift
index 8c7bdcd..3e90c22 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.10
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,8 +6,8 @@ import PackageDescription
 let package = Package(
     name: "Coffee-Kit",
     platforms: [
-        .iOS(.v18),
-        .macOS(.v15)
+        .iOS(.v17),
+        .macOS(.v14),
     ],
     products: [
         // Products define the executables and libraries a package produces, making them visible to other packages.
diff --git a/Sources/Coffee-Kit/DAO/Order/Order.swift b/Sources/Coffee-Kit/DAO/Order/Order.swift
index 6bde476..b429fe6 100644
--- a/Sources/Coffee-Kit/DAO/Order/Order.swift
+++ b/Sources/Coffee-Kit/DAO/Order/Order.swift
@@ -44,10 +44,6 @@ public extension Order {
         self.paymentOption = paymentOption.rawValue
         paymentStatus = "pending"
         items = orderdProducts
-
-        let rawDate = 763811237.81686
-        let date = Date(timeIntervalSince1970: rawDate)
-        print("Date: \(date)")
     }
 }
 
diff --git a/Sources/Coffee-Kit/DAO/Order/OrderBuilder.swift b/Sources/Coffee-Kit/DAO/Order/OrderBuilder.swift
index dacc2aa..e041adc 100644
--- a/Sources/Coffee-Kit/DAO/Order/OrderBuilder.swift
+++ b/Sources/Coffee-Kit/DAO/Order/OrderBuilder.swift
@@ -7,12 +7,11 @@
 
 import Foundation
 
-@Observable
-public class OrderBuilder {
+public class OrderBuilder: ObservableObject {
     // MARK: - Properties
 
     private(set) var userId: UUID
-    public var products: [OrderProduct] = []
+    @Published public var products: [OrderProduct] = []
 
     public var totalProducts: Int {
         products.reduce(0) { Int($0) + Int($1.quantity) }
diff --git a/Sources/Coffee-Kit/Webservice/Manager/MenuManager.swift b/Sources/Coffee-Kit/Webservice/Manager/MenuManager.swift
index 5450524..78d93a9 100644
--- a/Sources/Coffee-Kit/Webservice/Manager/MenuManager.swift
+++ b/Sources/Coffee-Kit/Webservice/Manager/MenuManager.swift
@@ -7,14 +7,13 @@
 
 import Foundation
 
-@Observable
 @MainActor
-public final class MenuManager {
+public final class MenuManager: ObservableObject {
     // MARK: - Properties
 
-    @ObservationIgnored private var webservice: WebserviceProvider
+    private var webservice: WebserviceProvider
 
-    public var items: [Product] = []
+    @Published public var items: [Product] = []
 
     // MARK: - Computed Properties
 
@@ -22,10 +21,6 @@ public final class MenuManager {
         return CoffeeService(databaseAPI: webservice.databaseAPI)
     }
 
-//    public var cakeService: CakeService {
-//        return CakeService(databaseAPI: webservice.databaseAPI)
-//    }
-
     // MARK: - Initializer
 
     public init() {
diff --git a/Sources/Coffee-Kit/Webservice/Manager/OrderManager.swift b/Sources/Coffee-Kit/Webservice/Manager/OrderManager.swift
index 3d90d95..b517363 100644
--- a/Sources/Coffee-Kit/Webservice/Manager/OrderManager.swift
+++ b/Sources/Coffee-Kit/Webservice/Manager/OrderManager.swift
@@ -7,13 +7,12 @@
 
 import Foundation
 
-@Observable
 @MainActor
-public final class OrderManager {
-    @ObservationIgnored private var webservice: WebserviceProvider
+public final class OrderManager: ObservableObject {
+    private var webservice: WebserviceProvider
 
-    private(set) var pendingOrders: [Order] = []
-    private(set) var completedOrders: [Order] = []
+    @Published private(set) var pendingOrders: [Order] = []
+    @Published private(set) var completedOrders: [Order] = []
 
     public init(from webservice: WebserviceProvider) {
         self.webservice = webservice
diff --git a/Tests/Coffee-KitTests/Coffee_KitTests.swift b/Tests/Coffee-KitTests/Coffee_KitTests.swift
deleted file mode 100644
index f411104..0000000
--- a/Tests/Coffee-KitTests/Coffee_KitTests.swift
+++ /dev/null
@@ -1,6 +0,0 @@
-import Testing
-@testable import Coffee_Kit
-
-@Test func example() async throws {
-    // Write your test here and use APIs like `#expect(...)` to check expected conditions.
-}
diff --git a/Tests/Coffee-KitTests/Coffee_LoverTests.swift b/Tests/Coffee-KitTests/Coffee_LoverTests.swift
index 830b0d2..1326c42 100644
--- a/Tests/Coffee-KitTests/Coffee_LoverTests.swift
+++ b/Tests/Coffee-KitTests/Coffee_LoverTests.swift
@@ -7,10 +7,10 @@
 
 @testable import Coffee_Kit
 import Foundation
-import Testing
+import XCTest
 
-struct Coffee_LoverTests {
-    @Test func decodingCoffeTest() async throws {
+final class Coffee_LoverTests: XCTestCase {
+    fileprivate func decodingCoffeTest() async throws {
         // Write your test here and use APIs like `#expect(...)` to check expected conditions.
 
         let ressource = """
@@ -33,6 +33,6 @@ struct Coffee_LoverTests {
         let data = Data(ressource.utf8)
         let product = try JSONDecoder().decode(Product.self, from: data)
 
-        #expect(product.id.uuidString == "e074867a-0c6a-49ff-87ca-b1ba5dae5236".uppercased())
+        XCTAssertEqual(product.id.uuidString, "e074867a-0c6a-49ff-87ca-b1ba5dae5236".uppercased())
     }
 }
diff --git a/Tests/Coffee-KitTests/OrderTests.swift b/Tests/Coffee-KitTests/OrderTests.swift
index a768ad4..dd940bb 100644
--- a/Tests/Coffee-KitTests/OrderTests.swift
+++ b/Tests/Coffee-KitTests/OrderTests.swift
@@ -7,10 +7,10 @@
 
 @testable import Coffee_Kit
 import Foundation
-import Testing
+import XCTest
 
-struct OrderTests {
-    @Test func testTakingOrder() async {
+final class OrderTests: XCTestCase {
+    fileprivate func testTakingOrder() async {
         let databaseAPI = DatabaseAPI.dev
         let webservice = await WebserviceProvider(inMode: databaseAPI)
         let orderManager = await OrderManager(from: webservice)