diff --git a/src/Dapper.Testing/Dapper.Testing.csproj b/src/Dapper.Testing/Dapper.Testing.csproj
index 18b736e..5a33ec5 100644
--- a/src/Dapper.Testing/Dapper.Testing.csproj
+++ b/src/Dapper.Testing/Dapper.Testing.csproj
@@ -19,7 +19,7 @@
   <ItemGroup>
     <PackageReference Include="Dapper" Version="2.0.35" />
     <PackageReference Include="MSTest.TestFramework" Version="2.1.1" />
-    <PackageReference Include="System.Data.SqlClient" Version="4.4.0" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.6" />
   </ItemGroup>
 
 </Project>