diff --git a/KeepersCompound.Lightmapper/KeepersCompound.Lightmapper.csproj b/KeepersCompound.Lightmapper/KeepersCompound.Lightmapper.csproj
index 2ed2c64..97ad75b 100644
--- a/KeepersCompound.Lightmapper/KeepersCompound.Lightmapper.csproj
+++ b/KeepersCompound.Lightmapper/KeepersCompound.Lightmapper.csproj
@@ -11,4 +11,8 @@
     <PackageReference Include="TinyEmbree" Version="1.0.3" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\KeepersCompound.LGS\KeepersCompound.LGS.csproj" />
+  </ItemGroup>
+
 </Project>