diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9f105e484..38a5e4e22 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: macos-14
     strategy:
       matrix:
-        destination: ['platform=iOS\ Simulator,OS=17.4,name=iPhone\ 15\ Pro']
+        destination: ['platform=iOS\ Simulator,OS=18.0,name=iPhone\ 16\ Pro']
         scheme: ['ResearchKit']
     name: ${{ matrix.scheme }} Unit Tests
     steps:
diff --git a/Package.swift b/Package.swift
index c8353c079..5e95044d9 100644
--- a/Package.swift
+++ b/Package.swift
@@ -53,9 +53,6 @@ let package = Package(
                  .target(name: "ResearchKitUI"),
                  .target(name: "ResearchKitActiveTask", condition: .when(platforms: [.iOS]))
              ],
-             swiftSettings: [
-                 swiftConcurrency
-             ],
              plugins: [] + swiftLintPlugin()
         )
     ]