diff --git a/build.fsx b/build.fsx
index f318a3d..e145c59 100644
--- a/build.fsx
+++ b/build.fsx
@@ -41,7 +41,7 @@ let companyName = ""
 let tags = "modelling time-series F# fsharp R data-science ecology model-fitting"
 let license = "MIT"
 let iconUrl = ""
-let copyright = "(C) 2018 Andrew Martin"
+let copyright = "(C) 2018-24 Andrew Martin"
 
 let packageProjectUrl = "https://acm.im/bristlecone"
 let repositoryType = "git"
diff --git a/tests/Bristlecone.Tests/Bristlecone.Tests.fsproj b/tests/Bristlecone.Tests/Bristlecone.Tests.fsproj
index efe5375..1939e51 100755
--- a/tests/Bristlecone.Tests/Bristlecone.Tests.fsproj
+++ b/tests/Bristlecone.Tests/Bristlecone.Tests.fsproj
@@ -8,6 +8,7 @@
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="../../src/Bristlecone/Bristlecone.fsproj" />
+    <ProjectReference Include="../../src/Bristlecone.Dendro/Bristlecone.Dendro.fsproj" />
     <Compile Include="Config.fs" />
     <Compile Include="Time.fs" />
     <Compile Include="Parameter.fs" />