diff --git a/dotnet/Dockerfile b/dotnet/Dockerfile
index 3d4c11fc..a0b3b438 100644
--- a/dotnet/Dockerfile
+++ b/dotnet/Dockerfile
@@ -1,4 +1,4 @@
-FROM microsoft/dotnet:1-sdk
+FROM mcr.microsoft.com/dotnet/sdk:6.0
 
 COPY . /test-environment
 
diff --git a/dotnet/Tweek.Client.Tests/ContextTestCasesProvider.cs b/dotnet/Tweek.Client.Tests/ContextTestCasesProvider.cs
index b0db8f47..e16af094 100644
--- a/dotnet/Tweek.Client.Tests/ContextTestCasesProvider.cs
+++ b/dotnet/Tweek.Client.Tests/ContextTestCasesProvider.cs
@@ -106,7 +106,7 @@ public static IEnumerable<object[]> SNAKE_CASE_CASES()
             };
         }
 
-        internal static IEnumerable<object[]> INCLUDE_TEST_CASES()
+        public static IEnumerable<object[]> INCLUDE_TEST_CASES()
         {
             yield return new object[] {
                 "@tweek_clients_tests/test_category/_",
@@ -121,7 +121,7 @@ internal static IEnumerable<object[]> INCLUDE_TEST_CASES()
             };
         }
 
-        internal static IEnumerable<object[]> FLATTEN_TEST_CASES()
+        public static IEnumerable<object[]> FLATTEN_TEST_CASES()
         {
             yield return new object[] {
                 "@tweek_clients_tests/_",
@@ -133,7 +133,7 @@ internal static IEnumerable<object[]> FLATTEN_TEST_CASES()
             };
         }
 
-        internal static IEnumerable<object[]> IGNORE_KEY_TYPES_TEST_CASES()
+        public static IEnumerable<object[]> IGNORE_KEY_TYPES_TEST_CASES()
         {
             yield return new object[] {
                 "@tweek_clients_tests/test_category/test_key2",
diff --git a/dotnet/Tweek.Client.Tests/Tweek.Client.Tests.csproj b/dotnet/Tweek.Client.Tests/Tweek.Client.Tests.csproj
index ebd59ca0..c6947d64 100755
--- a/dotnet/Tweek.Client.Tests/Tweek.Client.Tests.csproj
+++ b/dotnet/Tweek.Client.Tests/Tweek.Client.Tests.csproj
@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp1.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0" />
-    <PackageReference Include="xunit" Version="2.2.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
-    <PackageReference Include="FakeItEasy" Version="3.4.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageReference Include="FakeItEasy" Version="7.3.1" />
   </ItemGroup>
 
   <ItemGroup>