diff --git a/sandbox/OpenIddict.Sandbox.AspNetCore.Client/OpenIddict.Sandbox.AspNetCore.Client.csproj b/sandbox/OpenIddict.Sandbox.AspNetCore.Client/OpenIddict.Sandbox.AspNetCore.Client.csproj
index 1b911d71..e0271a38 100644
--- a/sandbox/OpenIddict.Sandbox.AspNetCore.Client/OpenIddict.Sandbox.AspNetCore.Client.csproj
+++ b/sandbox/OpenIddict.Sandbox.AspNetCore.Client/OpenIddict.Sandbox.AspNetCore.Client.csproj
@@ -13,7 +13,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" />
     <PackageReference Include="Quartz.Extensions.Hosting" />
   </ItemGroup>
 
diff --git a/sandbox/OpenIddict.Sandbox.AspNetCore.Client/Startup.cs b/sandbox/OpenIddict.Sandbox.AspNetCore.Client/Startup.cs
index dc923077..5ecf3711 100644
--- a/sandbox/OpenIddict.Sandbox.AspNetCore.Client/Startup.cs
+++ b/sandbox/OpenIddict.Sandbox.AspNetCore.Client/Startup.cs
@@ -19,7 +19,7 @@ public class Startup
         services.AddDbContext<ApplicationDbContext>(options =>
         {
             // Configure the context to use Microsoft SQL Server.
-            options.UseSqlServer(Configuration.GetConnectionString("DefaultConnection"));
+            options.UseSqlite($"Filename={Path.Combine(Path.GetTempPath(), "openiddict-sandbox-aspnetcore-client.sqlite3")}");
 
             // Register the entity sets needed by OpenIddict.
             // Note: use the generic overload if you need
diff --git a/sandbox/OpenIddict.Sandbox.AspNetCore.Server/OpenIddict.Sandbox.AspNetCore.Server.csproj b/sandbox/OpenIddict.Sandbox.AspNetCore.Server/OpenIddict.Sandbox.AspNetCore.Server.csproj
index d9564a13..e52acc10 100644
--- a/sandbox/OpenIddict.Sandbox.AspNetCore.Server/OpenIddict.Sandbox.AspNetCore.Server.csproj
+++ b/sandbox/OpenIddict.Sandbox.AspNetCore.Server/OpenIddict.Sandbox.AspNetCore.Server.csproj
@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" />
     <PackageReference Include="Quartz.Extensions.Hosting" />
   </ItemGroup>
 
diff --git a/sandbox/OpenIddict.Sandbox.AspNetCore.Server/Startup.cs b/sandbox/OpenIddict.Sandbox.AspNetCore.Server/Startup.cs
index 3d678bc3..8f815329 100644
--- a/sandbox/OpenIddict.Sandbox.AspNetCore.Server/Startup.cs
+++ b/sandbox/OpenIddict.Sandbox.AspNetCore.Server/Startup.cs
@@ -9,11 +9,6 @@ namespace OpenIddict.Sandbox.AspNetCore.Server;
 
 public class Startup
 {
-    public Startup(IConfiguration configuration)
-        => Configuration = configuration;
-
-    public IConfiguration Configuration { get; }
-
     public void ConfigureServices(IServiceCollection services)
     {
         services.AddControllersWithViews();
@@ -21,7 +16,7 @@ public class Startup
         services.AddDbContext<ApplicationDbContext>(options =>
         {
             // Configure the context to use Microsoft SQL Server.
-            options.UseSqlServer(Configuration.GetConnectionString("DefaultConnection"));
+            options.UseSqlite($"Filename={Path.Combine(Path.GetTempPath(), "openiddict-sandbox-aspnetcore-server.sqlite3")}");
 
             // Register the entity sets needed by OpenIddict.
             // Note: use the generic overload if you need