diff --git a/test/netstd/Client/Client.csproj b/test/netstd/Client/Client.csproj
index 970e52c..991f072 100644
--- a/test/netstd/Client/Client.csproj
+++ b/test/netstd/Client/Client.csproj
@@ -35,9 +35,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="9.0.0" />
+    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="9.0.6" />
     <PackageReference Include="System.Runtime.Serialization.Primitives" Version="[4.3,)" />
-    <PackageReference Include="System.ServiceModel.Primitives" Version="8.1.0" />
+    <PackageReference Include="System.ServiceModel.Primitives" Version="8.1.2" />
     <PackageReference Include="System.Threading" Version="[4.3,)" />
   </ItemGroup>
 
diff --git a/test/netstd/Server/Server.csproj b/test/netstd/Server/Server.csproj
index 69f943f..b64e9d0 100644
--- a/test/netstd/Server/Server.csproj
+++ b/test/netstd/Server/Server.csproj
@@ -36,9 +36,9 @@
 
   <ItemGroup>
     <PackageReference Include="System.IO.Pipes" Version="4.3.0" />
-    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="9.0.0" />
+    <PackageReference Include="System.Net.Http.WinHttpHandler" Version="9.0.6" />
     <PackageReference Include="System.Runtime.Serialization.Primitives" Version="[4.3,)" />
-    <PackageReference Include="System.ServiceModel.Primitives" Version="8.1.0" />
+    <PackageReference Include="System.ServiceModel.Primitives" Version="8.1.2" />
     <PackageReference Include="System.Threading" Version="[4.3,)" />
   </ItemGroup>