diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 56e39a68..bb829ea4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,22 +17,22 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        regex:
-        - "Objective-C/advanced"
-        - "Swift/advanced"
-        - "Objective-C/admob"
-        - "Swift/admob"
-        - "Objective-C/admanager"
-        - "Swift/admanager"
+        include:
+          - { regex: "Objective-C/advanced", xcode_version: "15.3" }
+          - { regex: "Swift/advanced", xcode_version: "16.0" }
+          - { regex: "Objective-C/admob", xcode_version: "15.3" }
+          - { regex: "Swift/admob", xcode_version: "16.0" }
+          - { regex: "Objective-C/admanager", xcode_version: "15.3" }
+          - { regex: "Swift/admanager", xcode_version: "16.0" }
     steps:
       - name: Clone Repo
         uses: actions/checkout@v1
 
-      - name: Select the Google Mobile Ads SDK minimum Xcode version (15.3)
+      - name: Select an Xcode version
         # Available Xcode versions:
         # https://github.com/actions/runner-images/blob/main/images/macos/toolsets/toolset-14.json
         run: |
-          sudo xcode-select -s /Applications/Xcode_15.3.app/Contents/Developer
+          sudo xcode-select -s /Applications/Xcode_${{ matrix.xcode_version }}.app/Contents/Developer
           echo "Selected Xcode version:"
           /usr/bin/xcodebuild -version
 
diff --git a/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample.xcodeproj/project.pbxproj b/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample.xcodeproj/project.pbxproj
index 44a6b88d..b10161e9 100644
--- a/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample.xcodeproj/project.pbxproj
+++ b/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample.xcodeproj/project.pbxproj
@@ -312,7 +312,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.google.AdManagerCustomRenderingExample;
 				PRODUCT_NAME = AdManagerCustomRenderingExample;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 			};
 			name = Debug;
 		};
@@ -331,7 +331,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.google.AdManagerCustomRenderingExample;
 				PRODUCT_NAME = AdManagerCustomRenderingExample;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 			};
 			name = Release;
 		};
diff --git a/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/GoogleMobileAdsConsentManager.swift b/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/GoogleMobileAdsConsentManager.swift
index 091ee3d6..963b8b4f 100644
--- a/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/GoogleMobileAdsConsentManager.swift
+++ b/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/GoogleMobileAdsConsentManager.swift
@@ -23,6 +23,7 @@ import UserMessagingPlatform
 /// consent for users in GDPR impacted countries. This is an example and
 /// you can choose another consent management platform to capture consent.
 
+@MainActor
 class GoogleMobileAdsConsentManager: NSObject {
   static let shared = GoogleMobileAdsConsentManager()
 
@@ -54,7 +55,7 @@ class GoogleMobileAdsConsentManager: NSObject {
         return consentGatheringComplete(requestConsentError)
       }
 
-      Task { @MainActor in
+      Task {
         do {
           try await UMPConsentForm.loadAndPresentIfRequired(from: viewController)
           // Consent has been gathered.
diff --git a/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/MySimpleNativeAdView.swift b/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/MySimpleNativeAdView.swift
index 31b91f82..1ce6dfd8 100644
--- a/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/MySimpleNativeAdView.swift
+++ b/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/MySimpleNativeAdView.swift
@@ -45,19 +45,21 @@ class MySimpleNativeAdView: UIView {
   override func awakeFromNib() {
     super.awakeFromNib()
 
-    // Enable clicks on the main image.
-    mainPlaceholder.addGestureRecognizer(
-      UITapGestureRecognizer(
-        target: self,
-        action: #selector(performClickOnMainImage(_:))))
-    mainPlaceholder.isUserInteractionEnabled = true
-
-    // Enable clicks on AdChoices.
-    adChoicesView.addGestureRecognizer(
-      UITapGestureRecognizer(
-        target: self,
-        action: #selector(performClickOnAdChoices(_:))))
-    adChoicesView.isUserInteractionEnabled = true
+    DispatchQueue.main.async {
+      // Enable clicks on the main image.
+      self.mainPlaceholder.addGestureRecognizer(
+        UITapGestureRecognizer(
+          target: self,
+          action: #selector(self.performClickOnMainImage(_:))))
+      self.mainPlaceholder.isUserInteractionEnabled = true
+
+      // Enable clicks on AdChoices.
+      self.adChoicesView.addGestureRecognizer(
+        UITapGestureRecognizer(
+          target: self,
+          action: #selector(self.performClickOnAdChoices(_:))))
+      self.adChoicesView.isUserInteractionEnabled = true
+    }
   }
 
   @objc func performClickOnMainImage(_ sender: UITapGestureRecognizer!) {
diff --git a/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/ViewController.swift b/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/ViewController.swift
index 0e528462..5d860d27 100644
--- a/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/ViewController.swift
+++ b/Swift/admanager/AdManagerCustomRenderingExample/AdManagerCustomRenderingExample/ViewController.swift
@@ -232,8 +232,13 @@ class ViewController: UIViewController {
 
 // MARK: - GADAdLoaderDelegate
 
-extension ViewController: GADAdLoaderDelegate {
+#if swift(>=6)
+  extension ViewController: @preconcurrency GADAdLoaderDelegate {}
+#else
+  extension ViewController: GADAdLoaderDelegate {}
+#endif
 
+extension ViewController {
   func adLoader(_ adLoader: GADAdLoader, didFailToReceiveAdWithError error: Error) {
     print("\(adLoader) failed with error: \(error.localizedDescription)")
     refreshAdButton.isEnabled = true
@@ -242,8 +247,13 @@ extension ViewController: GADAdLoaderDelegate {
 
 // MARK: - GADNativeAdLoaderDelegate
 
-extension ViewController: GADNativeAdLoaderDelegate {
+#if swift(>=6)
+  extension ViewController: @preconcurrency GADNativeAdLoaderDelegate {}
+#else
+  extension ViewController: GADNativeAdLoaderDelegate {}
+#endif
 
+extension ViewController {
   func adLoader(_ adLoader: GADAdLoader, didReceive nativeAd: GADNativeAd) {
     print("Received native ad: \(nativeAd)")
     refreshAdButton.isEnabled = true
@@ -323,8 +333,13 @@ extension ViewController: GADNativeAdLoaderDelegate {
 }
 
 // MARK: - GADCustomNativeAdLoaderDelegate
+#if swift(>=6)
+  extension ViewController: @preconcurrency GADCustomNativeAdLoaderDelegate {}
+#else
+  extension ViewController: GACustomDNativeAdLoaderDelegate {}
+#endif
 
-extension ViewController: GADCustomNativeAdLoaderDelegate {
+extension ViewController {
   func customNativeAdFormatIDs(for adLoader: GADAdLoader) -> [String] {
     return [nativeCustomFormatId]
   }
@@ -356,16 +371,26 @@ extension ViewController: GADCustomNativeAdLoaderDelegate {
 }
 
 // MARK: - GADVideoControllerDelegate implementation
-extension ViewController: GADVideoControllerDelegate {
+#if swift(>=6)
+  extension ViewController: @preconcurrency GADVideoControllerDelegate {}
+#else
+  extension ViewController: GADVideoControllerDelegate {}
+#endif
 
+extension ViewController {
   func videoControllerDidEndVideoPlayback(_ videoController: GADVideoController) {
     videoStatusLabel.text = "Video playback has ended."
   }
 }
 
 // MARK: - GADNativeAdDelegate implementation
-extension ViewController: GADNativeAdDelegate {
+#if swift(>=6)
+  extension ViewController: @preconcurrency GADNativeAdDelegate {}
+#else
+  extension ViewController: GADNativeAdDelegate {}
+#endif
 
+extension ViewController {
   func nativeAdDidRecordClick(_ nativeAd: GADNativeAd) {
     print("\(#function) called")
   }