diff --git a/DD.Persistence.Test/DD.Persistence.Test.csproj b/DD.Persistence.Test/DD.Persistence.Test.csproj
index a7a5754..7006f98 100644
--- a/DD.Persistence.Test/DD.Persistence.Test.csproj
+++ b/DD.Persistence.Test/DD.Persistence.Test.csproj
@@ -16,6 +16,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\DD.Persistence.API\DD.Persistence.API.csproj" />
     <ProjectReference Include="..\DD.Persistence.Client\DD.Persistence.Client.csproj" />
     <ProjectReference Include="..\DD.Persistence.Database.Postgres\DD.Persistence.Database.Postgres.csproj" />
   </ItemGroup>