diff --git a/ch9_release/src/Tailwind.Traders.Web/Tailwind.Traders.Web.csproj b/ch9_release/src/Tailwind.Traders.Web/Tailwind.Traders.Web.csproj
index 0278d5ef..78accd1b 100644
--- a/ch9_release/src/Tailwind.Traders.Web/Tailwind.Traders.Web.csproj
+++ b/ch9_release/src/Tailwind.Traders.Web/Tailwind.Traders.Web.csproj
@@ -25,7 +25,7 @@
     <PackageReference Include="Microsoft.ML.OnnxRuntime" Version="1.10.0" />
     <PackageReference Include="MongoDB.Driver" Version="2.11.6" />
 	  <PackageReference Include="SixLabors.ImageSharp" Version="1.0.0-beta0006" />
-    <PackageReference Include="System.Data.SqlClient" Version="4.8.3" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
   </ItemGroup>
 
   <ItemGroup>