diff --git a/repos/spack_repo/builtin/packages/py_uv_build/package.py b/repos/spack_repo/builtin/packages/py_uv_build/package.py
index 641597e3726..ec5a4b598d1 100644
--- a/repos/spack_repo/builtin/packages/py_uv_build/package.py
+++ b/repos/spack_repo/builtin/packages/py_uv_build/package.py
@@ -22,3 +22,5 @@ class PyUvBuild(PythonPackage):
 
     depends_on("python@3.8:", type=("build", "run"))
     depends_on("py-maturin@1", type="build")
+
+    depends_on("bzip2")