diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a07d73915..540fb8b7e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
             target: "wasm32-unknown-wasi"
           - os: ubuntu-22.04
             toolchain:
-              download-url: https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-RELEASE/swift-6.1-RELEASE-ubuntu22.04.tar.gz
+              download-url: https://download.swift.org/swift-6.2-release/ubuntu2204/swift-6.2-RELEASE/swift-6.2-RELEASE-ubuntu22.04.tar.gz
             wasi-backend: Node
             target: "wasm32-unknown-wasi"
           - os: ubuntu-22.04
@@ -77,7 +77,7 @@ jobs:
   format:
     runs-on: ubuntu-latest
     container:
-      image: swift:6.1.2
+      image: swift:6.2
     steps:
       - uses: actions/checkout@v5
       - run: ./Utilities/format.swift
diff --git a/Package.swift b/Package.swift
index cf3055c31..5b2611664 100644
--- a/Package.swift
+++ b/Package.swift
@@ -11,7 +11,7 @@ let useLegacyResourceBundling =
 let package = Package(
     name: "JavaScriptKit",
     platforms: [
-        .macOS(.v10_15),
+        .macOS("26.0"),
         .iOS(.v13),
         .tvOS(.v13),
         .watchOS(.v6),
@@ -28,7 +28,7 @@ let package = Package(
         .plugin(name: "BridgeJSCommandPlugin", targets: ["BridgeJSCommandPlugin"]),
     ],
     dependencies: [
-        .package(url: "https://github.com/swiftlang/swift-syntax", "600.0.0"..<"602.0.0")
+        .package(url: "https://github.com/swiftlang/swift-syntax", "600.0.0"..<"603.0.0")
     ],
     targets: [
         .target(