diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index fde0e23..4b5dfd5 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -62,6 +62,7 @@ jobs:
 
       - uses: actions/upload-artifact@v4
         with:
+          name: sphgeom-sdist
           path: dist/*
 
   pypi_wheel_build:
@@ -105,6 +106,7 @@ jobs:
           python -m cibuildwheel --output-dir dist
       - uses: actions/upload-artifact@v4
         with:
+          name: sphgeom-${{ matrix.os }}
           path: dist/*
 
   pipy_upload:
@@ -113,8 +115,9 @@ jobs:
     steps:
       - uses: actions/download-artifact@v4
         with:
-          name: artifact
           path: dist
+          pattern: sphgeom-*
+          merge-multiple: true
       - uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: __token__
diff --git a/pyproject.toml b/pyproject.toml
index 9d97e82..a7620ee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,6 +11,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "lsst-sphgeom"
 description = "A spherical geometry library."
+requires-python = ">=3.8.0"
 license = {text = "BSD 3-Clause License"}
 readme = "README.md"
 authors = [
@@ -25,6 +26,8 @@ classifiers = [
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Topic :: Scientific/Engineering :: Astronomy",
 ]
 keywords = ["lsst"]