diff --git a/tests/StevanFreeborn.Atproto.IdentityResolver.Tests/StevanFreeborn.Atproto.IdentityResolver.Tests.csproj b/tests/StevanFreeborn.Atproto.IdentityResolver.Tests/StevanFreeborn.Atproto.IdentityResolver.Tests.csproj
index ededb26..7a8e3a8 100644
--- a/tests/StevanFreeborn.Atproto.IdentityResolver.Tests/StevanFreeborn.Atproto.IdentityResolver.Tests.csproj
+++ b/tests/StevanFreeborn.Atproto.IdentityResolver.Tests/StevanFreeborn.Atproto.IdentityResolver.Tests.csproj
@@ -17,6 +17,7 @@
   <ItemGroup>
     <PackageReference Include="AwesomeAssertions" />
     <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" />
+    <PackageReference Include="RichardSzalay.MockHttp" />
     <PackageReference Include="xunit.v3.mtp-v2" />
   </ItemGroup>