diff --git a/modules/blogging/app/Volo.BloggingTestApp/Volo.BloggingTestApp.csproj b/modules/blogging/app/Volo.BloggingTestApp/Volo.BloggingTestApp.csproj
index b0aa8c1183..c1bb7c8a85 100644
--- a/modules/blogging/app/Volo.BloggingTestApp/Volo.BloggingTestApp.csproj
+++ b/modules/blogging/app/Volo.BloggingTestApp/Volo.BloggingTestApp.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
   </ItemGroup>
 
diff --git a/modules/blogging/src/Volo.Blogging.Application/Volo.Blogging.Application.csproj b/modules/blogging/src/Volo.Blogging.Application/Volo.Blogging.Application.csproj
index 95682a2a9e..a162d644df 100644
--- a/modules/blogging/src/Volo.Blogging.Application/Volo.Blogging.Application.csproj
+++ b/modules/blogging/src/Volo.Blogging.Application/Volo.Blogging.Application.csproj
@@ -10,7 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Drawing.Common" Version="4.5.0" />
+    <PackageReference Include="System.Drawing.Common" Version="4.7.0" />
     <ProjectReference Include="..\Volo.Blogging.Application.Contracts\Volo.Blogging.Application.Contracts.csproj" />
     <ProjectReference Include="..\Volo.Blogging.Domain\Volo.Blogging.Domain.csproj" />
     <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.AutoMapper\Volo.Abp.AutoMapper.csproj" />
diff --git a/modules/client-simulation/demo/Volo.ClientSimulation.Demo/Volo.ClientSimulation.Demo.csproj b/modules/client-simulation/demo/Volo.ClientSimulation.Demo/Volo.ClientSimulation.Demo.csproj
index e69e3146c7..8544cf6cff 100644
--- a/modules/client-simulation/demo/Volo.ClientSimulation.Demo/Volo.ClientSimulation.Demo.csproj
+++ b/modules/client-simulation/demo/Volo.ClientSimulation.Demo/Volo.ClientSimulation.Demo.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/modules/docs/app/VoloDocs.Web/VoloDocs.Web.csproj b/modules/docs/app/VoloDocs.Web/VoloDocs.Web.csproj
index ae50728391..ef8fc992e3 100644
--- a/modules/docs/app/VoloDocs.Web/VoloDocs.Web.csproj
+++ b/modules/docs/app/VoloDocs.Web/VoloDocs.Web.csproj
@@ -15,7 +15,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
   </ItemGroup>
 
diff --git a/samples/BookStore-Angular-MongoDb/aspnet-core/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj b/samples/BookStore-Angular-MongoDb/aspnet-core/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj
index e5d3d64aef..93dd5d112b 100644
--- a/samples/BookStore-Angular-MongoDb/aspnet-core/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj
+++ b/samples/BookStore-Angular-MongoDb/aspnet-core/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj
@@ -20,7 +20,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Logging" Version="2.0.4" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.1.0" />
   </ItemGroup>
diff --git a/samples/BookStore-Angular-MongoDb/aspnet-core/src/Acme.BookStore.HttpApi.Host/Acme.BookStore.HttpApi.Host.csproj b/samples/BookStore-Angular-MongoDb/aspnet-core/src/Acme.BookStore.HttpApi.Host/Acme.BookStore.HttpApi.Host.csproj
index bd6a1fb86a..5ae1c6fd4f 100644
--- a/samples/BookStore-Angular-MongoDb/aspnet-core/src/Acme.BookStore.HttpApi.Host/Acme.BookStore.HttpApi.Host.csproj
+++ b/samples/BookStore-Angular-MongoDb/aspnet-core/src/Acme.BookStore.HttpApi.Host/Acme.BookStore.HttpApi.Host.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Async" Version="1.4.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.0" />
diff --git a/samples/BookStore-Modular/application/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj b/samples/BookStore-Modular/application/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj
index 8e66b5c321..1d97d62f42 100644
--- a/samples/BookStore-Modular/application/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj
+++ b/samples/BookStore-Modular/application/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj
@@ -20,7 +20,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Logging" Version="2.0.4" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.1.0" />
   </ItemGroup>
diff --git a/samples/BookStore-Modular/application/src/Acme.BookStore.Web/Acme.BookStore.Web.csproj b/samples/BookStore-Modular/application/src/Acme.BookStore.Web/Acme.BookStore.Web.csproj
index 88626cc10b..95f3607ab0 100644
--- a/samples/BookStore-Modular/application/src/Acme.BookStore.Web/Acme.BookStore.Web.csproj
+++ b/samples/BookStore-Modular/application/src/Acme.BookStore.Web/Acme.BookStore.Web.csproj
@@ -33,7 +33,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Async" Version="1.4.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.0" />
diff --git a/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.HttpApi.Host/Acme.BookStore.BookManagement.HttpApi.Host.csproj b/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.HttpApi.Host/Acme.BookStore.BookManagement.HttpApi.Host.csproj
index 78548f8822..cc7b77c983 100644
--- a/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.HttpApi.Host/Acme.BookStore.BookManagement.HttpApi.Host.csproj
+++ b/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.HttpApi.Host/Acme.BookStore.BookManagement.HttpApi.Host.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="3.1.0" />
diff --git a/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.IdentityServer/Acme.BookStore.BookManagement.IdentityServer.csproj b/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.IdentityServer/Acme.BookStore.BookManagement.IdentityServer.csproj
index cbb6d3592a..49875e0980 100644
--- a/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.IdentityServer/Acme.BookStore.BookManagement.IdentityServer.csproj
+++ b/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.IdentityServer/Acme.BookStore.BookManagement.IdentityServer.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="3.1.0" />
diff --git a/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.Web.Host/Acme.BookStore.BookManagement.Web.Host.csproj b/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.Web.Host/Acme.BookStore.BookManagement.Web.Host.csproj
index f66c9dba9f..0534b56365 100644
--- a/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.Web.Host/Acme.BookStore.BookManagement.Web.Host.csproj
+++ b/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.Web.Host/Acme.BookStore.BookManagement.Web.Host.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="3.1.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="3.1.0" />
diff --git a/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.Web.Unified/Acme.BookStore.BookManagement.Web.Unified.csproj b/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.Web.Unified/Acme.BookStore.BookManagement.Web.Unified.csproj
index f8202a26d6..9fb034d5fe 100644
--- a/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.Web.Unified/Acme.BookStore.BookManagement.Web.Unified.csproj
+++ b/samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.Web.Unified/Acme.BookStore.BookManagement.Web.Unified.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.1.0" />
     <ProjectReference Include="..\..\..\..\..\..\framework\src\Volo.Abp.Autofac\Volo.Abp.Autofac.csproj" />
diff --git a/samples/BookStore/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj b/samples/BookStore/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj
index b13f4bb668..6003aa8be2 100644
--- a/samples/BookStore/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj
+++ b/samples/BookStore/src/Acme.BookStore.DbMigrator/Acme.BookStore.DbMigrator.csproj
@@ -24,7 +24,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Serilog.Extensions.Logging" Version="3.0.1" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />
   </ItemGroup>
 
diff --git a/samples/BookStore/src/Acme.BookStore.Web/Acme.BookStore.Web.csproj b/samples/BookStore/src/Acme.BookStore.Web/Acme.BookStore.Web.csproj
index cdf23d260a..8ab1856779 100644
--- a/samples/BookStore/src/Acme.BookStore.Web/Acme.BookStore.Web.csproj
+++ b/samples/BookStore/src/Acme.BookStore.Web/Acme.BookStore.Web.csproj
@@ -24,7 +24,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="System.Text.Encoding.CodePages" Version="4.7.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="3.1.0" />
diff --git a/samples/DashboardDemo/src/DashboardDemo.DbMigrator/DashboardDemo.DbMigrator.csproj b/samples/DashboardDemo/src/DashboardDemo.DbMigrator/DashboardDemo.DbMigrator.csproj
index 342472c60f..9b5dd44bb2 100644
--- a/samples/DashboardDemo/src/DashboardDemo.DbMigrator/DashboardDemo.DbMigrator.csproj
+++ b/samples/DashboardDemo/src/DashboardDemo.DbMigrator/DashboardDemo.DbMigrator.csproj
@@ -18,7 +18,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="3.1.0" />
     <PackageReference Include="Serilog.Extensions.Logging" Version="2.0.4" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />
   </ItemGroup>
 
diff --git a/samples/DashboardDemo/src/DashboardDemo.Web/DashboardDemo.Web.csproj b/samples/DashboardDemo/src/DashboardDemo.Web/DashboardDemo.Web.csproj
index b5b158c074..8198fe148a 100644
--- a/samples/DashboardDemo/src/DashboardDemo.Web/DashboardDemo.Web.csproj
+++ b/samples/DashboardDemo/src/DashboardDemo.Web/DashboardDemo.Web.csproj
@@ -32,7 +32,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.0" />
   </ItemGroup>
diff --git a/samples/MicroserviceDemo/applications/AuthServer.Host/AuthServer.Host.csproj b/samples/MicroserviceDemo/applications/AuthServer.Host/AuthServer.Host.csproj
index 6b0902118a..337657a831 100644
--- a/samples/MicroserviceDemo/applications/AuthServer.Host/AuthServer.Host.csproj
+++ b/samples/MicroserviceDemo/applications/AuthServer.Host/AuthServer.Host.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Elasticsearch" Version="6.5.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="3.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.DataProtection.StackExchangeRedis" Version="3.1.0" />
diff --git a/samples/MicroserviceDemo/applications/BackendAdminApp.Host/BackendAdminApp.Host.csproj b/samples/MicroserviceDemo/applications/BackendAdminApp.Host/BackendAdminApp.Host.csproj
index 8f844d4fe7..911593b16a 100644
--- a/samples/MicroserviceDemo/applications/BackendAdminApp.Host/BackendAdminApp.Host.csproj
+++ b/samples/MicroserviceDemo/applications/BackendAdminApp.Host/BackendAdminApp.Host.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Elasticsearch" Version="6.5.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="3.1.0" />
diff --git a/samples/MicroserviceDemo/applications/ConsoleClientDemo/ConsoleClientDemo.csproj b/samples/MicroserviceDemo/applications/ConsoleClientDemo/ConsoleClientDemo.csproj
index 3958486141..6b8283bddf 100644
--- a/samples/MicroserviceDemo/applications/ConsoleClientDemo/ConsoleClientDemo.csproj
+++ b/samples/MicroserviceDemo/applications/ConsoleClientDemo/ConsoleClientDemo.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Extensions.Logging" Version="2.0.2" />
   </ItemGroup>
 
diff --git a/samples/MicroserviceDemo/applications/PublicWebSite.Host/PublicWebSite.Host.csproj b/samples/MicroserviceDemo/applications/PublicWebSite.Host/PublicWebSite.Host.csproj
index 7ab6319f56..5574e33b3b 100644
--- a/samples/MicroserviceDemo/applications/PublicWebSite.Host/PublicWebSite.Host.csproj
+++ b/samples/MicroserviceDemo/applications/PublicWebSite.Host/PublicWebSite.Host.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Elasticsearch" Version="6.5.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="3.1.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="3.1.0" />
diff --git a/samples/MicroserviceDemo/gateways/BackendAdminAppGateway.Host/BackendAdminAppGateway.Host.csproj b/samples/MicroserviceDemo/gateways/BackendAdminAppGateway.Host/BackendAdminAppGateway.Host.csproj
index 706a77693a..3ee01c5696 100644
--- a/samples/MicroserviceDemo/gateways/BackendAdminAppGateway.Host/BackendAdminAppGateway.Host.csproj
+++ b/samples/MicroserviceDemo/gateways/BackendAdminAppGateway.Host/BackendAdminAppGateway.Host.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Elasticsearch" Version="6.5.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="Ocelot" Version="13.8.0" />
diff --git a/samples/MicroserviceDemo/gateways/InternalGateway.Host/InternalGateway.Host.csproj b/samples/MicroserviceDemo/gateways/InternalGateway.Host/InternalGateway.Host.csproj
index 6bce8966b5..ce97d9c91e 100644
--- a/samples/MicroserviceDemo/gateways/InternalGateway.Host/InternalGateway.Host.csproj
+++ b/samples/MicroserviceDemo/gateways/InternalGateway.Host/InternalGateway.Host.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Elasticsearch" Version="6.5.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="Ocelot" Version="13.8.0" />
diff --git a/samples/MicroserviceDemo/gateways/PublicWebSiteGateway.Host/PublicWebSiteGateway.Host.csproj b/samples/MicroserviceDemo/gateways/PublicWebSiteGateway.Host/PublicWebSiteGateway.Host.csproj
index d4e2c73bad..599b07e966 100644
--- a/samples/MicroserviceDemo/gateways/PublicWebSiteGateway.Host/PublicWebSiteGateway.Host.csproj
+++ b/samples/MicroserviceDemo/gateways/PublicWebSiteGateway.Host/PublicWebSiteGateway.Host.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Elasticsearch" Version="6.5.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="Ocelot" Version="13.8.0" />
diff --git a/samples/MicroserviceDemo/microservices/BloggingService.Host/BloggingService.Host.csproj b/samples/MicroserviceDemo/microservices/BloggingService.Host/BloggingService.Host.csproj
index 60a294f223..ef6ada68b0 100644
--- a/samples/MicroserviceDemo/microservices/BloggingService.Host/BloggingService.Host.csproj
+++ b/samples/MicroserviceDemo/microservices/BloggingService.Host/BloggingService.Host.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Elasticsearch" Version="6.5.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.0" />
diff --git a/samples/MicroserviceDemo/microservices/IdentityService.Host/IdentityService.Host.csproj b/samples/MicroserviceDemo/microservices/IdentityService.Host/IdentityService.Host.csproj
index cd5f965f1e..18b07ae6db 100644
--- a/samples/MicroserviceDemo/microservices/IdentityService.Host/IdentityService.Host.csproj
+++ b/samples/MicroserviceDemo/microservices/IdentityService.Host/IdentityService.Host.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Elasticsearch" Version="6.5.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.0" />
diff --git a/samples/MicroserviceDemo/microservices/ProductService.Host/ProductService.Host.csproj b/samples/MicroserviceDemo/microservices/ProductService.Host/ProductService.Host.csproj
index 07e02bbc70..6bf9e04e7b 100644
--- a/samples/MicroserviceDemo/microservices/ProductService.Host/ProductService.Host.csproj
+++ b/samples/MicroserviceDemo/microservices/ProductService.Host/ProductService.Host.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Serilog.Extensions.Hosting" Version="3.0.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="Serilog.Sinks.Elasticsearch" Version="6.5.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.0.0-rc4" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.0" />