diff --git a/Tests/Albatross.Tests.csproj b/Tests/Albatross.Tests.csproj
index 9c5b30a..02533b1 100644
--- a/Tests/Albatross.Tests.csproj
+++ b/Tests/Albatross.Tests.csproj
@@ -17,6 +17,8 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="System.Net.Http" Version="4.3.4" />
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     <Using Include="Xunit" />
   </ItemGroup>