diff --git a/eng/Versions.props b/eng/Versions.props
index 2c7c85c298..7b74a68132 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -22,9 +22,9 @@
     <MoqVersion>4.7.145</MoqVersion>
     <MySqlDataEntityVersion>6.7.2-beta-ef6</MySqlDataEntityVersion>
     <MicrosoftCSharpVersion>4.7.0</MicrosoftCSharpVersion>
-    <SystemCodeDomVersion>4.7.0</SystemCodeDomVersion>
-    <SystemComponentModelAnnotationsVersion>4.7.0</SystemComponentModelAnnotationsVersion>
-    <SystemConfigurationConfigurationManagerVersion>4.7.0</SystemConfigurationConfigurationManagerVersion>
+    <SystemCodeDomVersion>6.0.0</SystemCodeDomVersion>
+    <SystemComponentModelAnnotationsVersion>5.0.0</SystemComponentModelAnnotationsVersion>
+    <SystemConfigurationConfigurationManagerVersion>6.0.1</SystemConfigurationConfigurationManagerVersion>
     <SystemDataSqlClientVersion>4.8.5</SystemDataSqlClientVersion>
     <MicrosoftDataSqlClientVersion>5.1.2</MicrosoftDataSqlClientVersion>
   </PropertyGroup>
diff --git a/test/Directory.Build.targets b/test/Directory.Build.targets
index b96af11d97..82ecaafbbf 100644
--- a/test/Directory.Build.targets
+++ b/test/Directory.Build.targets
@@ -6,7 +6,5 @@
     <PackageReference Remove="xunit" />
     <PackageReference Include="xunit.core" Version="$(XUnitVersion)" />
     <PackageReference Include="xunit.assert" Version="$(XUnitVersion)" />
-    <!-- Fix transitive System.Net.Http reference from xunit -->
-    <PackageReference Include="System.Net.Http" Version="4.3.4" />
   </ItemGroup>
 </Project>