diff --git a/modules/account/src/Volo.Abp.Account.Blazor/Volo.Abp.Account.Blazor.csproj b/modules/account/src/Volo.Abp.Account.Blazor/Volo.Abp.Account.Blazor.csproj
index 76445af180..1ebb90b6be 100644
--- a/modules/account/src/Volo.Abp.Account.Blazor/Volo.Abp.Account.Blazor.csproj
+++ b/modules/account/src/Volo.Abp.Account.Blazor/Volo.Abp.Account.Blazor.csproj
@@ -5,7 +5,6 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <RazorLangVersion>3.0</RazorLangVersion>
     <RootNamespace>Volo.Abp.Account.Blazor</RootNamespace>
   </PropertyGroup>
 
diff --git a/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Volo.Abp.FeatureManagement.Blazor.csproj b/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Volo.Abp.FeatureManagement.Blazor.csproj
index 3dc4fced6c..a0cbf9b999 100644
--- a/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Volo.Abp.FeatureManagement.Blazor.csproj
+++ b/modules/feature-management/src/Volo.Abp.FeatureManagement.Blazor/Volo.Abp.FeatureManagement.Blazor.csproj
@@ -5,7 +5,6 @@
 
     <PropertyGroup>
         <TargetFramework>net5.0</TargetFramework>
-        <RazorLangVersion>3.0</RazorLangVersion>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/modules/identity/src/Volo.Abp.Identity.Blazor/Volo.Abp.Identity.Blazor.csproj b/modules/identity/src/Volo.Abp.Identity.Blazor/Volo.Abp.Identity.Blazor.csproj
index a7c594f79c..4b7b13a385 100644
--- a/modules/identity/src/Volo.Abp.Identity.Blazor/Volo.Abp.Identity.Blazor.csproj
+++ b/modules/identity/src/Volo.Abp.Identity.Blazor/Volo.Abp.Identity.Blazor.csproj
@@ -5,7 +5,6 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <RazorLangVersion>3.0</RazorLangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/modules/permission-management/src/Volo.Abp.PermissionManagement.Blazor/Volo.Abp.PermissionManagement.Blazor.csproj b/modules/permission-management/src/Volo.Abp.PermissionManagement.Blazor/Volo.Abp.PermissionManagement.Blazor.csproj
index 40208a11f7..ae3f3dbedf 100644
--- a/modules/permission-management/src/Volo.Abp.PermissionManagement.Blazor/Volo.Abp.PermissionManagement.Blazor.csproj
+++ b/modules/permission-management/src/Volo.Abp.PermissionManagement.Blazor/Volo.Abp.PermissionManagement.Blazor.csproj
@@ -5,7 +5,6 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <RazorLangVersion>3.0</RazorLangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/modules/setting-management/src/Volo.Abp.SettingManagement.Blazor/Volo.Abp.SettingManagement.Blazor.csproj b/modules/setting-management/src/Volo.Abp.SettingManagement.Blazor/Volo.Abp.SettingManagement.Blazor.csproj
index 9e63050fbf..8327b3faa1 100644
--- a/modules/setting-management/src/Volo.Abp.SettingManagement.Blazor/Volo.Abp.SettingManagement.Blazor.csproj
+++ b/modules/setting-management/src/Volo.Abp.SettingManagement.Blazor/Volo.Abp.SettingManagement.Blazor.csproj
@@ -5,7 +5,6 @@
 
     <PropertyGroup>
         <TargetFramework>net5.0</TargetFramework>
-        <RazorLangVersion>3.0</RazorLangVersion>
         <RootNamespace>Volo.Abp.SettingManagement.Blazor</RootNamespace>
     </PropertyGroup>
 
diff --git a/modules/tenant-management/src/Volo.Abp.TenantManagement.Blazor/Volo.Abp.TenantManagement.Blazor.csproj b/modules/tenant-management/src/Volo.Abp.TenantManagement.Blazor/Volo.Abp.TenantManagement.Blazor.csproj
index 99ab7093de..9de634ccdc 100644
--- a/modules/tenant-management/src/Volo.Abp.TenantManagement.Blazor/Volo.Abp.TenantManagement.Blazor.csproj
+++ b/modules/tenant-management/src/Volo.Abp.TenantManagement.Blazor/Volo.Abp.TenantManagement.Blazor.csproj
@@ -5,7 +5,6 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <RazorLangVersion>3.0</RazorLangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Blazor/MyCompanyName.MyProjectName.Blazor.csproj b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Blazor/MyCompanyName.MyProjectName.Blazor.csproj
index c5c26eb3cd..b53de21ece 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Blazor/MyCompanyName.MyProjectName.Blazor.csproj
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Blazor/MyCompanyName.MyProjectName.Blazor.csproj
@@ -2,13 +2,11 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <RazorLangVersion>3.0</RazorLangVersion>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Blazorise.Bootstrap" Version="0.9.1.2" />
     <PackageReference Include="Blazorise.Icons.FontAwesome" Version="0.9.1.2" />
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Build" Version="3.2.1" />
     <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="5.0.0-rc.1.*" />
   </ItemGroup>
 
diff --git a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.Blazor.Host/MyCompanyName.MyProjectName.Blazor.Host.csproj b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.Blazor.Host/MyCompanyName.MyProjectName.Blazor.Host.csproj
index 50ff60edb6..f1b762217c 100644
--- a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.Blazor.Host/MyCompanyName.MyProjectName.Blazor.Host.csproj
+++ b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.Blazor.Host/MyCompanyName.MyProjectName.Blazor.Host.csproj
@@ -4,14 +4,12 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <RazorLangVersion>3.0</RazorLangVersion>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Blazorise.Bootstrap" Version="0.9.1.2" />
     <PackageReference Include="Blazorise.Icons.FontAwesome" Version="0.9.1.2" />
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Build" Version="3.2.1" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="3.2.1" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="5.0.0-rc.1.*" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/templates/module/aspnet-core/src/MyCompanyName.MyProjectName.Blazor/MyCompanyName.MyProjectName.Blazor.csproj b/templates/module/aspnet-core/src/MyCompanyName.MyProjectName.Blazor/MyCompanyName.MyProjectName.Blazor.csproj
index faa0df41bd..3960b8ea91 100644
--- a/templates/module/aspnet-core/src/MyCompanyName.MyProjectName.Blazor/MyCompanyName.MyProjectName.Blazor.csproj
+++ b/templates/module/aspnet-core/src/MyCompanyName.MyProjectName.Blazor/MyCompanyName.MyProjectName.Blazor.csproj
@@ -4,7 +4,6 @@
 
     <PropertyGroup>
         <TargetFramework>net5.0</TargetFramework>
-        <RazorLangVersion>3.0</RazorLangVersion>
     </PropertyGroup>
 
     <ItemGroup>