diff --git a/csharp/src/Microsoft.ML.OnnxRuntime/Microsoft.ML.OnnxRuntime.csproj b/csharp/src/Microsoft.ML.OnnxRuntime/Microsoft.ML.OnnxRuntime.csproj
index 0c74a23204d4f..1d15383239baf 100644
--- a/csharp/src/Microsoft.ML.OnnxRuntime/Microsoft.ML.OnnxRuntime.csproj
+++ b/csharp/src/Microsoft.ML.OnnxRuntime/Microsoft.ML.OnnxRuntime.csproj
@@ -6,7 +6,7 @@
 
   <PropertyGroup>
     <IncludeMobileTargets>true</IncludeMobileTargets>
-    <BaseTargets>netstandard2.0</BaseTargets>
+    <BaseTargets>netstandard2.0;netcoreapp3.1;net6.0</BaseTargets>
     <MobileTargets></MobileTargets>
   </PropertyGroup>