diff --git a/.github/workflows/deploy_docc.yml b/.github/workflows/deploy_docc.yml
index 2fd7696..bcc370b 100644
--- a/.github/workflows/deploy_docc.yml
+++ b/.github/workflows/deploy_docc.yml
@@ -38,7 +38,6 @@ jobs:
           cache-snapshot: false
       - name: Build DocC
         run: |
-          swift -version
           make build_docc
       - name: Setup Pages
         uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b # v5
diff --git a/Package.swift b/Package.swift
index 7ccf36d..28a0a82 100644
--- a/Package.swift
+++ b/Package.swift
@@ -32,7 +32,8 @@ let package = Package(
                 .product(name: "HTTPTypes", package: "swift-http-types"),
                 .product(name: "HTTPTypesFoundation", package: "swift-http-types"),
                 .product(name: "KeychainAccess", package: "KeychainAccess"),
-            ]
+            ],
+            swiftLanguageModes: [.v6]
         ),
         .testTarget(
             name: "IAPClientTests",
@@ -43,7 +44,8 @@ let package = Package(
             dependencies: [
                 .product(name: "Dependencies", package: "swift-dependencies"),
                 .product(name: "DependenciesMacros", package: "swift-dependencies"),
-            ]
+            ],
+            swiftLanguageModes: [.v6]
         ),
         .target(
             name: "IAPInterface",
@@ -51,13 +53,15 @@ let package = Package(
                 "IAPCore",
                 // Use Model...
                 .product(name: "AppStoreServerLibrary", package: "app-store-server-library-swift"),
-            ]
+            ],
+            swiftLanguageModes: [.v6]
         ),
         .target(
             name: "IAPModel",
             dependencies: [
                 "IAPInterface"
-            ]
+            ],
+            swiftLanguageModes: [.v6]
         ),
         .testTarget(
             name: "IAPModelTests",
@@ -71,7 +75,8 @@ let package = Package(
             ],
             plugins: [
                 .plugin(name: "LicensesPlugin", package: "LicensesPlugin")
-            ]
+            ],
+            swiftLanguageModes: [.v6]
         ),
         .testTarget(
             name: "IAPViewTests",