diff --git a/docs/machine-learning/tutorials/snippets/predict-prices/csharp/TaxiFarePrediction.csproj b/docs/machine-learning/tutorials/snippets/predict-prices/csharp/TaxiFarePrediction.csproj
index 5daa1bbcd0e79..faeb36e09cc11 100644
--- a/docs/machine-learning/tutorials/snippets/predict-prices/csharp/TaxiFarePrediction.csproj
+++ b/docs/machine-learning/tutorials/snippets/predict-prices/csharp/TaxiFarePrediction.csproj
@@ -8,8 +8,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.ML" Version="3.0.1" />
-    <PackageReference Include="Microsoft.ML.FastTree" Version="3.0.1" />
+    <PackageReference Include="Microsoft.ML" Version="4.0.0" />
+    <PackageReference Include="Microsoft.ML.FastTree" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>