diff --git a/Data.Net.Test/Data.Net.MsSql.Test.csproj b/Data.Net.Test/Data.Net.MsSql.Test.csproj
index 1c00efa..7c9b336 100644
--- a/Data.Net.Test/Data.Net.MsSql.Test.csproj
+++ b/Data.Net.Test/Data.Net.MsSql.Test.csproj
@@ -49,8 +49,9 @@
     <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
     <Reference Include="System.Data" />
-    <Reference Include="System.Data.SqlClient, Version=4.5.0.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Data.SqlClient.4.6.1\lib\net461\System.Data.SqlClient.dll</HintPath>
+    <Reference Include="System.Data.SqlClient, Version=4.6.1.6, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <HintPath>..\packages\System.Data.SqlClient.4.8.6\lib\net461\System.Data.SqlClient.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Xml" />
   </ItemGroup>
diff --git a/Data.Net.Test/packages.config b/Data.Net.Test/packages.config
index e7b930b..7d1ffca 100644
--- a/Data.Net.Test/packages.config
+++ b/Data.Net.Test/packages.config
@@ -2,5 +2,5 @@
 <packages>
   <package id="MSTest.TestAdapter" version="1.4.0" targetFramework="net47" />
   <package id="MSTest.TestFramework" version="1.4.0" targetFramework="net47" />
-  <package id="System.Data.SqlClient" version="4.6.1" targetFramework="net47" />
+  <package id="System.Data.SqlClient" version="4.8.6" targetFramework="net47" />
 </packages>
\ No newline at end of file