diff --git a/docs/machine-learning/tutorials/snippets/iris-clustering/csharp/IrisFlowerClustering.csproj b/docs/machine-learning/tutorials/snippets/iris-clustering/csharp/IrisFlowerClustering.csproj
index 45f60d7411c..2b08bbdf27d 100644
--- a/docs/machine-learning/tutorials/snippets/iris-clustering/csharp/IrisFlowerClustering.csproj
+++ b/docs/machine-learning/tutorials/snippets/iris-clustering/csharp/IrisFlowerClustering.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.ML" Version="1.7.1" />
+    <PackageReference Include="Microsoft.ML" Version="4.0.3" />
   </ItemGroup>
 
   <ItemGroup>