diff --git a/Orleans.Providers.MongoDB/Orleans.Providers.MongoDB.csproj b/Orleans.Providers.MongoDB/Orleans.Providers.MongoDB.csproj
index 391217f..2d05743 100644
--- a/Orleans.Providers.MongoDB/Orleans.Providers.MongoDB.csproj
+++ b/Orleans.Providers.MongoDB/Orleans.Providers.MongoDB.csproj
@@ -15,7 +15,6 @@
     <PackageTags>Orleans OrleansProviders MongoDB</PackageTags>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
     <TargetFrameworks>net8.0</TargetFrameworks>
-    <Version>8.1.0</Version>
   </PropertyGroup>
 
   <ItemGroup>
@@ -24,7 +23,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="MongoDB.Driver" Version="2.28.0" />
+    <PackageReference Include="MongoDB.Driver" Version="3.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Test/Host/Orleans.Providers.MongoDB.Test.Host.csproj b/Test/Host/Orleans.Providers.MongoDB.Test.Host.csproj
index 5fb9dc0..289ff48 100644
--- a/Test/Host/Orleans.Providers.MongoDB.Test.Host.csproj
+++ b/Test/Host/Orleans.Providers.MongoDB.Test.Host.csproj
@@ -6,9 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="EphemeralMongo6" Version="1.1.3" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.1" />
+    <PackageReference Include="MongoSandbox8" Version="1.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Test/Host/Program.cs b/Test/Host/Program.cs
index e7b0c7f..0521380 100644
--- a/Test/Host/Program.cs
+++ b/Test/Host/Program.cs
@@ -2,7 +2,6 @@
 using System.Linq;
 using System.Net;
 using System.Threading.Tasks;
-using EphemeralMongo;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
@@ -10,6 +9,7 @@
 using MongoDB.Bson.Serialization;
 using MongoDB.Bson.Serialization.Conventions;
 using MongoDB.Bson.Serialization.Serializers;
+using MongoSandbox;
 using Newtonsoft.Json;
 using Orleans.Configuration;
 using Orleans.Hosting;
@@ -25,7 +25,7 @@ public static async Task Main(string[] args)
         {
             var createShardKey = false;
 
-            using var mongoRunner = MongoRunner.Run();
+            using var mongoRunner = MongoRunner.Run(new MongoRunnerOptions { KillMongoProcessesWhenCurrentProcessExits = true });
 
             Console.WriteLine("MongoDB ConnectionString: {0}", mongoRunner.ConnectionString);
 
@@ -216,8 +216,6 @@ private static void ApplyBsonConfiguration()
                 },
                 t => true);
 
-            // http://mongodb.github.io/mongo-csharp-driver/2.11/reference/bson/guidserialization/guidrepresentationmode/guidrepresentationmode/
-            BsonDefaults.GuidRepresentationMode = GuidRepresentationMode.V3;
             BsonSerializer.RegisterSerializer(new GuidSerializer(GuidRepresentation.Standard));
         }
     }
diff --git a/UnitTest/Fixtures/MongoDatabaseFixture.cs b/UnitTest/Fixtures/MongoDatabaseFixture.cs
index 007b330..4039062 100644
--- a/UnitTest/Fixtures/MongoDatabaseFixture.cs
+++ b/UnitTest/Fixtures/MongoDatabaseFixture.cs
@@ -1,6 +1,6 @@
 using System;
-using EphemeralMongo;
 using MongoDB.Driver;
+using MongoSandbox;
 using Orleans.Providers.MongoDB.Utils;
 
 namespace Orleans.Providers.MongoDB.UnitTest.Fixtures
diff --git a/UnitTest/Orleans.Providers.MongoDB.UnitTest.csproj b/UnitTest/Orleans.Providers.MongoDB.UnitTest.csproj
index 5b55b0c..83628fe 100644
--- a/UnitTest/Orleans.Providers.MongoDB.UnitTest.csproj
+++ b/UnitTest/Orleans.Providers.MongoDB.UnitTest.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
@@ -9,9 +9,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="EphemeralMongo6" Version="1.1.3" />
-    <PackageReference Include="FluentAssertions" Version="6.12.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="MongoSandbox8" Version="1.0.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
   </ItemGroup>