diff --git a/Sources/Spezi/Spezi/SpeziAppDelegate.swift b/Sources/Spezi/Spezi/SpeziAppDelegate.swift
index 23363f0..a4c5a4f 100644
--- a/Sources/Spezi/Spezi/SpeziAppDelegate.swift
+++ b/Sources/Spezi/Spezi/SpeziAppDelegate.swift
@@ -166,7 +166,7 @@ open class SpeziAppDelegate: NSObject, ApplicationDelegate, Sendable {
 
         let result: Set<BackgroundFetchResult> = await withTaskGroup(of: BackgroundFetchResult.self) { @MainActor group in
             for handler in handlers {
-                group.addTask { @MainActor in
+                group.addTask { @Sendable @MainActor in
                     await handler.receiveRemoteNotification(userInfo)
                 }
             }
diff --git a/Sources/Spezi/Spezi/SpeziNotificationCenterDelegate.swift b/Sources/Spezi/Spezi/SpeziNotificationCenterDelegate.swift
index b44bd1d..d23464e 100644
--- a/Sources/Spezi/Spezi/SpeziNotificationCenterDelegate.swift
+++ b/Sources/Spezi/Spezi/SpeziNotificationCenterDelegate.swift
@@ -29,7 +29,7 @@ class SpeziNotificationCenterDelegate: NSObject {
             }
 
             for handler in delegate.spezi.notificationHandler {
-                group.addTask { @MainActor in
+                group.addTask { @Sendable @MainActor in
                     await handler.handleNotificationAction(response)
                 }
             }