diff --git a/spack_repo/wirecell/packages/wire_cell_data/package.py b/spack_repo/wirecell/packages/wire_cell_data/package.py
index 6865996..d974913 100644
--- a/spack_repo/wirecell/packages/wire_cell_data/package.py
+++ b/spack_repo/wirecell/packages/wire_cell_data/package.py
@@ -12,15 +12,16 @@ class WireCellData(Package):
 
     homepage = "https://wirecell.bnl.gov"
     url = "https://github.com/WireCell/wire-cell-data/archive/refs/tags/0.1.0.tar.gz"
+    git = "https://github.com/WireCell/wire-cell-data.git"
 
     license("LGPLv3", checked_by="brettviren")
     maintainers("brettviren")
 
+    version("master", branch="master")
     version("0.1.0", sha256="cab5d4f4cb39c15bebea361fd0b933e964846207fbac85bb59ea6fdac561fdce")
 
     def install(self, spec, prefix):
-        mkdirp(self.prefix.share.wirecell)
-        install("*", prefix.share.wirecell)
+        install_tree(".", prefix.share.wirecell)
         
 
     def setup_run_environment(self, env):