diff --git a/src/DepotDelivery.jl b/src/DepotDelivery.jl
index c7ae5bf..802d289 100644
--- a/src/DepotDelivery.jl
+++ b/src/DepotDelivery.jl
@@ -28,7 +28,7 @@ function sandbox(f::Function)
 end
 
 #-----------------------------------------------------------------------------# build
-function build(path::String; platform = Base.BinaryPlatforms.HostPlatform())
+function build(path::String; platform = Base.BinaryPlatforms.HostPlatform(), verbose=true)
     depot = mktempdir()
     sandbox() do
         proj_file = joinpath(path, "Project.toml")
@@ -38,7 +38,7 @@ function build(path::String; platform = Base.BinaryPlatforms.HostPlatform())
         name = proj["name"]
         build_spec = Dict(
             :datetime => Dates.now(),
-            :versioninfo => (buf = IOBuffer(); InteractiveUtils.versioninfo(buf); String(take!(buf))),
+            :versioninfo => sprint(InteractiveUtils.versioninfo),
             :project_file => proj_file,
             :project => proj,
             :platform => string(platform)
@@ -50,7 +50,15 @@ function build(path::String; platform = Base.BinaryPlatforms.HostPlatform())
 
         cp(path, joinpath(depot, "dev", name))  # Copy project into dev/
         Pkg.activate(joinpath(depot, "dev", name))
-        Pkg.instantiate(; platform)
+        Pkg.instantiate(; platform, verbose)
+
+        # Ensure all artifacts (including lazy ones) are installed for the correct platform
+        manifest_file = replace(proj_file, "Project" => "Manifest")
+        for (uuid, entry) in Pkg.Types.read_manifest(manifest_file)
+            src = Pkg.dir(entry.name)  # How to get the source directory of a package?
+            # find entry's Artifacts.toml
+        end
+
 
         open(io -> TOML.print(io, build_spec), joinpath(depot, "config", "depot_build.toml"), "w")
         open(io -> print(io, startup_script(name)), joinpath(depot, "config", "depot_startup.jl"), "w")
diff --git a/test/TestProject/Manifest.toml b/test/TestProject/Manifest.toml
index 0c3742c..b12c43e 100644
--- a/test/TestProject/Manifest.toml
+++ b/test/TestProject/Manifest.toml
@@ -1,8 +1,8 @@
 # This file is machine-generated - editing it directly is not advised
 
-julia_version = "1.10.1"
+julia_version = "1.10.2"
 manifest_format = "2.0"
-project_hash = "441ce5673294795b2311ef0d574564a3f3e7c070"
+project_hash = "b6c8be5a742fdffa37a9701ccc32d1928629b873"
 
 [[deps.ArgTools]]
 uuid = "0dad84c5-d112-42e6-8d28-ef12dabb789f"
@@ -58,7 +58,7 @@ version = "0.17.1"
 
 [[deps.HDF5_jll]]
 deps = ["Artifacts", "CompilerSupportLibraries_jll", "JLLWrappers", "LazyArtifacts", "LibCURL_jll", "Libdl", "MPICH_jll", "MPIPreferences", "MPItrampoline_jll", "MicrosoftMPI_jll", "OpenMPI_jll", "OpenSSL_jll", "TOML", "Zlib_jll", "libaec_jll"]
-git-tree-sha1 = "e4591176488495bf44d7456bd73179d87d5e6eab"
+path = "/Users/joshday/.julia/dev/HDF5_jll"
 uuid = "0234f1f7-429e-5d53-9886-15a909be8d59"
 version = "1.14.3+1"
 
diff --git a/test/TestProject/Project.toml b/test/TestProject/Project.toml
index 45921b6..8ab360d 100644
--- a/test/TestProject/Project.toml
+++ b/test/TestProject/Project.toml
@@ -3,3 +3,4 @@ uuid = "f3e3185f-ad83-4044-845c-222ba027dc34"
 
 [deps]
 HDF5 = "f67ccb44-e63f-5c2f-98bd-6dc0ccc4ba2f"
+HDF5_jll = "0234f1f7-429e-5d53-9886-15a909be8d59"
diff --git a/test/runtests.jl b/test/runtests.jl
index 07177b5..a6e1f16 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -12,3 +12,8 @@ DepotDelivery.sandbox() do
     @test !occursin(".julia", pathof(TestProject.HDF5))
     @test !occursin(".julia", pathof(TestProject.HDF5.API.HDF5_jll))
 end
+
+
+depot2 = DepotDelivery.build(joinpath(@__DIR__, "TestProject"), platform = Pkg.BinaryPlatforms.Windows(:x86_64))
+
+path = joinpath(depot2, "packages", "HDF5_jll")