diff --git a/framework/src/Volo.Abp.AspNetCore.Components.Server.Theming/Volo.Abp.AspNetCore.Components.Server.Theming.csproj b/framework/src/Volo.Abp.AspNetCore.Components.Server.Theming/Volo.Abp.AspNetCore.Components.Server.Theming.csproj
index c632120d73..266831eba9 100644
--- a/framework/src/Volo.Abp.AspNetCore.Components.Server.Theming/Volo.Abp.AspNetCore.Components.Server.Theming.csproj
+++ b/framework/src/Volo.Abp.AspNetCore.Components.Server.Theming/Volo.Abp.AspNetCore.Components.Server.Theming.csproj
@@ -5,6 +5,8 @@
 
     <PropertyGroup>
         <TargetFramework>net7.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <WarningsAsErrors>Nullable</WarningsAsErrors>
         <IsPackable>true</IsPackable>
         <OutputType>Library</OutputType>
         <NoDefaultLaunchSettingsFile>true</NoDefaultLaunchSettingsFile>