diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..5765b7c
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,6 @@
+# Changelog
+
+## [0.1.0] - 2024-12-01
+
+### Added
+- Initial release
diff --git a/Package.swift b/Package.swift
index 78a522a..8b07dd1 100644
--- a/Package.swift
+++ b/Package.swift
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "swift-cli",
     platforms: [
-        .macOS(.v12)
+        .macOS(.v13)
     ],
     products: [
         // Individual packages - use only what you need
@@ -25,61 +25,76 @@ let package = Package(
         .executable(name: "swift-cli-example", targets: ["SwiftCLIExample"])
     ],
     dependencies: [
-        .package(url: "https://github.com/swiftlang/swift-docc-plugin", from: "1.4.0"),
+        .package(url: "https://github.com/swiftlang/swift-docc-plugin", from: "1.4.3"),
         .package(url: "https://github.com/apple/swift-atomics.git", from: "1.2.0")
     ],
     targets: [
         // MARK: - Foundation Layer
 
-        /// Pure ANSI escape code generation - zero dependencies
-        .target(name: "ANSI"),
+        .target(
+            name: "ANSI",
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
+        ),
 
         // MARK: - Core Layer
 
-        /// Low-level terminal operations: I/O, raw mode, capabilities
         .target(
             name: "TerminalCore",
             dependencies: [
                 "ANSI",
                 .product(name: "Atomics", package: "swift-atomics")
+            ],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
             ]
         ),
 
         // MARK: - Feature Packages
 
-        /// Colors, text styles, chainable styling API
         .target(
             name: "TerminalStyle",
-            dependencies: ["ANSI", "TerminalCore"]
+            dependencies: ["ANSI", "TerminalCore"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
         ),
 
-        /// Keyboard input, mouse events, line editing
         .target(
             name: "TerminalInput",
-            dependencies: ["ANSI", "TerminalCore", "TerminalStyle"]
+            dependencies: ["ANSI", "TerminalCore", "TerminalStyle"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
         ),
 
-        /// Boxes, tables, grids, panels, tree views
         .target(
             name: "TerminalLayout",
-            dependencies: ["ANSI", "TerminalCore", "TerminalStyle"]
+            dependencies: ["ANSI", "TerminalCore", "TerminalStyle"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
         ),
 
-        /// Progress bars, spinners, prompts, selection menus
         .target(
             name: "TerminalComponents",
-            dependencies: ["ANSI", "TerminalCore", "TerminalStyle", "TerminalInput"]
+            dependencies: ["ANSI", "TerminalCore", "TerminalStyle", "TerminalInput"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
         ),
 
-        /// Terminal images: iTerm2, Kitty, Sixel protocols
         .target(
             name: "TerminalGraphics",
-            dependencies: ["ANSI", "TerminalCore"]
+            dependencies: ["ANSI", "TerminalCore"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
         ),
 
         // MARK: - High-Level Framework
 
-        /// Full TUI framework with SwiftUI-like API
         .target(
             name: "TerminalUI",
             dependencies: [
@@ -90,12 +105,14 @@ let package = Package(
                 "TerminalLayout",
                 "TerminalComponents",
                 "TerminalGraphics"
+            ],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
             ]
         ),
 
         // MARK: - Umbrella
 
-        /// Everything in one import
         .target(
             name: "CLI",
             dependencies: [
@@ -107,6 +124,9 @@ let package = Package(
                 "TerminalComponents",
                 "TerminalGraphics",
                 "TerminalUI"
+            ],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
             ]
         ),
 
@@ -114,18 +134,69 @@ let package = Package(
 
         .executableTarget(
             name: "SwiftCLIExample",
-            dependencies: ["CLI"]
+            dependencies: ["CLI"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
         ),
 
         // MARK: - Tests
 
-        .testTarget(name: "ANSITests", dependencies: ["ANSI"]),
-        .testTarget(name: "TerminalCoreTests", dependencies: ["TerminalCore"]),
-        .testTarget(name: "TerminalStyleTests", dependencies: ["TerminalStyle"]),
-        .testTarget(name: "TerminalInputTests", dependencies: ["TerminalInput"]),
-        .testTarget(name: "TerminalLayoutTests", dependencies: ["TerminalLayout"]),
-        .testTarget(name: "TerminalComponentsTests", dependencies: ["TerminalComponents"]),
-        .testTarget(name: "TerminalGraphicsTests", dependencies: ["TerminalGraphics"]),
-        .testTarget(name: "TerminalUITests", dependencies: ["TerminalUI"])
+        .testTarget(
+            name: "ANSITests",
+            dependencies: ["ANSI"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
+        ),
+        .testTarget(
+            name: "TerminalCoreTests",
+            dependencies: ["TerminalCore"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
+        ),
+        .testTarget(
+            name: "TerminalStyleTests",
+            dependencies: ["TerminalStyle"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
+        ),
+        .testTarget(
+            name: "TerminalInputTests",
+            dependencies: ["TerminalInput"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
+        ),
+        .testTarget(
+            name: "TerminalLayoutTests",
+            dependencies: ["TerminalLayout"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
+        ),
+        .testTarget(
+            name: "TerminalComponentsTests",
+            dependencies: ["TerminalComponents"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
+        ),
+        .testTarget(
+            name: "TerminalGraphicsTests",
+            dependencies: ["TerminalGraphics"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
+        ),
+        .testTarget(
+            name: "TerminalUITests",
+            dependencies: ["TerminalUI"],
+            swiftSettings: [
+                .enableUpcomingFeature("StrictConcurrency")
+            ]
+        )
     ]
 )