diff --git a/src/Bss.Platform.Mediation.Abstractions/IMediator.cs b/src/Bss.Platform.Mediation.Abstractions/IMediator.cs
index 05d7419..dee2df2 100644
--- a/src/Bss.Platform.Mediation.Abstractions/IMediator.cs
+++ b/src/Bss.Platform.Mediation.Abstractions/IMediator.cs
@@ -2,10 +2,10 @@ namespace Bss.Platform.Mediation.Abstractions;
 
 public interface IMediator
 {
-    public Task<TResponse> Send<TResponse>(IRequest<TResponse> request, CancellationToken cancellationToken);
+    public Task<TResponse> Send<TResponse>(IRequest<TResponse> request, CancellationToken cancellationToken = default);
 
-    public Task Send(IRequest request, CancellationToken cancellationToken);
+    public Task Send(IRequest request, CancellationToken cancellationToken = default);
 
-    public Task Publish<TNotification>(TNotification notification, CancellationToken cancellationToken)
+    public Task Publish<TNotification>(TNotification notification, CancellationToken cancellationToken = default)
         where TNotification : INotification;
 }
diff --git a/src/Bss.Platform.Mediation.Abstractions/INotificationHandler.cs b/src/Bss.Platform.Mediation.Abstractions/INotificationHandler.cs
index e46b347..e8f6d8e 100644
--- a/src/Bss.Platform.Mediation.Abstractions/INotificationHandler.cs
+++ b/src/Bss.Platform.Mediation.Abstractions/INotificationHandler.cs
@@ -3,5 +3,5 @@ namespace Bss.Platform.Mediation.Abstractions;
 public interface INotificationHandler<in TNotification>
     where TNotification : INotification
 {
-    public Task Handle(TNotification notification, CancellationToken cancellationToken);
+    public Task Handle(TNotification notification, CancellationToken cancellationToken =  default);
 }
diff --git a/src/Bss.Platform.Mediation.Abstractions/IPipelineBehavior.cs b/src/Bss.Platform.Mediation.Abstractions/IPipelineBehavior.cs
index 96c6f5f..23d3b42 100644
--- a/src/Bss.Platform.Mediation.Abstractions/IPipelineBehavior.cs
+++ b/src/Bss.Platform.Mediation.Abstractions/IPipelineBehavior.cs
@@ -2,10 +2,10 @@ namespace Bss.Platform.Mediation.Abstractions;
 
 public interface IPipelineBehavior<in TRequest, TResult>
 {
-    public Task<TResult> Handle(TRequest request, RequestHandlerDelegate<TResult> next, CancellationToken cancellationToken);
+    public Task<TResult> Handle(TRequest request, RequestHandlerDelegate<TResult> next, CancellationToken cancellationToken = default);
 }
 
 public interface IPipelineBehavior<in TRequest>
 {
-    public Task Handle(TRequest request, RequestHandlerDelegate next, CancellationToken cancellationToken);
+    public Task Handle(TRequest request, RequestHandlerDelegate next, CancellationToken cancellationToken = default);
 }
diff --git a/src/Bss.Platform.Mediation.Abstractions/IRequestHandler.cs b/src/Bss.Platform.Mediation.Abstractions/IRequestHandler.cs
index 57440d5..f25b434 100644
--- a/src/Bss.Platform.Mediation.Abstractions/IRequestHandler.cs
+++ b/src/Bss.Platform.Mediation.Abstractions/IRequestHandler.cs
@@ -3,11 +3,11 @@ namespace Bss.Platform.Mediation.Abstractions;
 public interface IRequestHandler<in TRequest>
     where TRequest : IRequest
 {
-    public Task Handle(TRequest request, CancellationToken cancellationToken);
+    public Task Handle(TRequest request, CancellationToken cancellationToken = default);
 }
 
 public interface IRequestHandler<in TRequest, TResponse>
     where TRequest : IRequest<TResponse>
 {
-    public Task<TResponse> Handle(TRequest request, CancellationToken cancellationToken);
+    public Task<TResponse> Handle(TRequest request, CancellationToken cancellationToken = default);
 }
diff --git a/src/Bss.Platform.Mediation/Mediator.cs b/src/Bss.Platform.Mediation/Mediator.cs
index 8ee4d6d..0938f15 100644
--- a/src/Bss.Platform.Mediation/Mediator.cs
+++ b/src/Bss.Platform.Mediation/Mediator.cs
@@ -5,7 +5,7 @@ namespace Bss.Platform.Mediation;
 
 public sealed class Mediator(IServiceProvider serviceProvider) : IMediator
 {
-    public Task<TResponse> Send<TResponse>(IRequest<TResponse> request, CancellationToken cancellationToken)
+    public Task<TResponse> Send<TResponse>(IRequest<TResponse> request, CancellationToken cancellationToken = default)
     {
         var requestType = request.GetType();
         var wrapperType = typeof(RequestHandlerWrapperImpl<,>).MakeGenericType(requestType, typeof(TResponse));
@@ -15,7 +15,7 @@ public Task<TResponse> Send<TResponse>(IRequest<TResponse> request, Cancellation
         return wrapper.Handle(request, serviceProvider, cancellationToken);
     }
 
-    public Task Send(IRequest request, CancellationToken cancellationToken)
+    public Task Send(IRequest request, CancellationToken cancellationToken = default)
     {
         var requestType = request.GetType();
         var wrapperType = typeof(VoidRequestHandlerWrapperImpl<>).MakeGenericType(requestType);
@@ -25,7 +25,7 @@ public Task Send(IRequest request, CancellationToken cancellationToken)
         return wrapper.Handle(request, serviceProvider, cancellationToken);
     }
 
-    public Task Publish<TNotification>(TNotification notification, CancellationToken cancellationToken)
+    public Task Publish<TNotification>(TNotification notification, CancellationToken cancellationToken  = default)
         where TNotification : INotification
     {
         var notificationType = notification.GetType();
diff --git a/src/__SolutionItems/CommonAssemblyInfo.cs b/src/__SolutionItems/CommonAssemblyInfo.cs
index 22f1164..5f60071 100644
--- a/src/__SolutionItems/CommonAssemblyInfo.cs
+++ b/src/__SolutionItems/CommonAssemblyInfo.cs
@@ -4,9 +4,9 @@
 [assembly: AssemblyCompany("Luxoft")]
 [assembly: AssemblyCopyright("Copyright © Luxoft 2026")]
 
-[assembly: AssemblyVersion("1.6.6.0")]
-[assembly: AssemblyFileVersion("1.6.6.0")]
-[assembly: AssemblyInformationalVersion("1.6.6.0")]
+[assembly: AssemblyVersion("1.6.7.0")]
+[assembly: AssemblyFileVersion("1.6.7.0")]
+[assembly: AssemblyInformationalVersion("1.6.7.0")]
 
 #if DEBUG
 [assembly: AssemblyConfiguration("Debug")]