# TLS The TLS packages allow writing TLS/SSL clients and servers. ## Package.swift To include it in your package, add the following to your `Package.swift` file. ```swift // swift-tools-version:4.0 import PackageDescription let package = Package( name: "Project", dependencies: [ ... .package(url: "https://github.com/vapor/mysql.git", .upToNextMajor(from: "3.0.0")), ], targets: [ .target(name: "Project", dependencies: ["MySQL", ... ]) ] ) ``` If this is your first time adding a dependency, you should read our introduction to [Package.swift](../getting-started/spm.md). Use `import MySQL` to access MySQL' APIs.