diff --git a/src/Services/Ordering/Ordering.API/Infrastructure/AutofacModules/MediatorModule.cs b/src/Services/Ordering/Ordering.API/Infrastructure/AutofacModules/MediatorModule.cs
index d0dce865f..e9e7b4395 100644
--- a/src/Services/Ordering/Ordering.API/Infrastructure/AutofacModules/MediatorModule.cs
+++ b/src/Services/Ordering/Ordering.API/Infrastructure/AutofacModules/MediatorModule.cs
@@ -34,23 +34,12 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.API.Infrastructure.Autof
                 .AsImplementedInterfaces();
 
 
-            builder.Register<SingleInstanceFactory>(context =>
+            builder.Register<ServiceFactory>(context =>
             {
                 var componentContext = context.Resolve<IComponentContext>();
                 return t => { object o; return componentContext.TryResolve(t, out o) ? o : null; };
             });
 
-            builder.Register<MultiInstanceFactory>(context =>
-            {
-                var componentContext = context.Resolve<IComponentContext>();
-
-                return t =>
-                {
-                    var resolved = (IEnumerable<object>)componentContext.Resolve(typeof(IEnumerable<>).MakeGenericType(t));
-                    return resolved;
-                };
-            });
-
             builder.RegisterGeneric(typeof(LoggingBehavior<,>)).As(typeof(IPipelineBehavior<,>));
             builder.RegisterGeneric(typeof(ValidatorBehavior<,>)).As(typeof(IPipelineBehavior<,>));
 
diff --git a/src/Services/Ordering/Ordering.API/Ordering.API.csproj b/src/Services/Ordering/Ordering.API/Ordering.API.csproj
index 8576e3cc8..57715e8c3 100644
--- a/src/Services/Ordering/Ordering.API/Ordering.API.csproj
+++ b/src/Services/Ordering/Ordering.API/Ordering.API.csproj
@@ -31,7 +31,7 @@
 
   <ItemGroup>
     <PackageReference Include="FluentValidation.AspNetCore" Version="7.5.0" />
-    <PackageReference Include="MediatR.Extensions.Microsoft.DependencyInjection" Version="4.1.0" />
+    <PackageReference Include="MediatR.Extensions.Microsoft.DependencyInjection" Version="5.0.2" />
     <PackageReference Include="Autofac.Extensions.DependencyInjection" Version="4.2.1" />
     <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.2.1" />
     <PackageReference Include="Microsoft.ApplicationInsights.DependencyCollector" Version="2.6.1" />
@@ -39,7 +39,7 @@
     <PackageReference Include="Microsoft.ApplicationInsights.ServiceFabric" Version="2.1.1-beta1" />
     <PackageReference Include="Microsoft.Extensions.Logging.AzureAppServices" Version="2.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.App" Version="2.1.0" />
-    <PackageReference Include="MediatR" Version="4.1.0" />
+    <PackageReference Include="MediatR" Version="5.0.1" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="2.4.0" />
     <PackageReference Include="System.Reflection" Version="4.3.0" />
     <PackageReference Include="Dapper" Version="1.50.4" />
diff --git a/src/Services/Ordering/Ordering.Domain/Ordering.Domain.csproj b/src/Services/Ordering/Ordering.Domain/Ordering.Domain.csproj
index 1ccd1143f..3dbc1b20f 100644
--- a/src/Services/Ordering/Ordering.Domain/Ordering.Domain.csproj
+++ b/src/Services/Ordering/Ordering.Domain/Ordering.Domain.csproj
@@ -5,8 +5,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MediatR" Version="4.0.1" />
-    <PackageReference Include="MediatR.Extensions.Microsoft.DependencyInjection" Version="4.0.0" />
+    <PackageReference Include="MediatR" Version="5.0.1" />
+    <PackageReference Include="MediatR.Extensions.Microsoft.DependencyInjection" Version="5.0.2" />
     <PackageReference Include="System.Reflection.TypeExtensions" Version="4.4.0" />
   </ItemGroup>
 
diff --git a/test/Services/UnitTest/UnitTest.csproj b/test/Services/UnitTest/UnitTest.csproj
index 21a68b750..02cf8cae6 100644
--- a/test/Services/UnitTest/UnitTest.csproj
+++ b/test/Services/UnitTest/UnitTest.csproj
@@ -23,7 +23,7 @@
     <PackageReference Include="Microsoft.DotNet.InternalAbstractions" Version="1.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
-    <PackageReference Include="MediatR" Version="4.1.0" />
+    <PackageReference Include="MediatR" Version="5.0.1" />
     <PackageReference Include="Moq" Version="4.8.1" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="2.1.0" />