diff --git a/csharp/test/Microsoft.ML.OnnxRuntime.EndToEndTests/Microsoft.ML.OnnxRuntime.EndToEndTests.csproj b/csharp/test/Microsoft.ML.OnnxRuntime.EndToEndTests/Microsoft.ML.OnnxRuntime.EndToEndTests.csproj
index 3e4802bf68..f44db30afd 100644
--- a/csharp/test/Microsoft.ML.OnnxRuntime.EndToEndTests/Microsoft.ML.OnnxRuntime.EndToEndTests.csproj
+++ b/csharp/test/Microsoft.ML.OnnxRuntime.EndToEndTests/Microsoft.ML.OnnxRuntime.EndToEndTests.csproj
@@ -14,6 +14,7 @@
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>..\..\OnnxRuntime.snk</AssemblyOriginatorKeyFile>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(IsLinuxBuild)'=='true'">