diff --git a/docs/machine-learning/tutorials/snippets/sales-anomaly-detection/csharp/ProductSalesAnomalyDetection.csproj b/docs/machine-learning/tutorials/snippets/sales-anomaly-detection/csharp/ProductSalesAnomalyDetection.csproj
index b695ca4d20f..c9116660a90 100644
--- a/docs/machine-learning/tutorials/snippets/sales-anomaly-detection/csharp/ProductSalesAnomalyDetection.csproj
+++ b/docs/machine-learning/tutorials/snippets/sales-anomaly-detection/csharp/ProductSalesAnomalyDetection.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.ML" Version="1.7.1" />
+    <PackageReference Include="Microsoft.ML" Version="4.0.3" />
     <PackageReference Include="Microsoft.ML.TimeSeries" Version="1.7.1" />
   </ItemGroup>