diff --git a/src/WireMock.Net.RestClient/IWireMockAdminApi.cs b/src/WireMock.Net.RestClient/IWireMockAdminApi.cs
index 6ac9c7a7f..afb69bc6b 100644
--- a/src/WireMock.Net.RestClient/IWireMockAdminApi.cs
+++ b/src/WireMock.Net.RestClient/IWireMockAdminApi.cs
@@ -328,7 +328,7 @@ public interface IWireMockAdminApi
     /// <param name="protoDefinition">The ProtoDefinition as text.</param>
     /// <param name="cancellationToken">The optional cancellationToken.</param>
     [Post("protodefinitions/{id}")]
-    Task<StatusModel> AddProtoDefinitionAsync([Path] string id, [Body] string body, CancellationToken cancellationToken = default);
+    Task<StatusModel> AddProtoDefinitionAsync([Path] string id, [Body] string protoDefinition, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// Check if a file exists
diff --git a/src/WireMock.Net.Testcontainers/WireMock.Net.Testcontainers.csproj b/src/WireMock.Net.Testcontainers/WireMock.Net.Testcontainers.csproj
index 565bdbbca..f574e7443 100644
--- a/src/WireMock.Net.Testcontainers/WireMock.Net.Testcontainers.csproj
+++ b/src/WireMock.Net.Testcontainers/WireMock.Net.Testcontainers.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
         <Description>A fluent testcontainer builder for the Docker version of WireMock.Net</Description>
@@ -39,7 +39,7 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
         <PackageReference Include="Stef.Validation" Version="0.1.1" />
-        <PackageReference Include="Testcontainers" Version="4.5.0" />
+        <PackageReference Include="Testcontainers" Version="4.7.0" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/test/WireMock.Net.Tests/Testcontainers/TestcontainersTests.cs b/test/WireMock.Net.Tests/Testcontainers/TestcontainersTests.cs
index ba5bb4bf5..cb1be0500 100644
--- a/test/WireMock.Net.Tests/Testcontainers/TestcontainersTests.cs
+++ b/test/WireMock.Net.Tests/Testcontainers/TestcontainersTests.cs
@@ -25,6 +25,8 @@ public async Task WireMockContainer_Build_And_StartAsync_and_StopAsync()
         var adminPassword = $"password_{Guid.NewGuid()}";
         var wireMockContainer = new WireMockContainerBuilder()
             .WithAdminUserNameAndPassword(adminUsername, adminPassword)
+            .WithAutoRemove(true)
+            .WithCleanUp(true)
             .Build();
 
         await StartTestAsync(wireMockContainer);