diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 818299d..e57c45d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -114,7 +114,7 @@ jobs:
         run: |
           python -m cibuildwheel --output-dir wheelhouse
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3  # Don't upgrade to v4 until each artifact is named
         with:
           path: ./wheelhouse/*.whl
 
@@ -149,7 +149,7 @@ jobs:
           python -m pip install oldest-supported-numpy
           python setup.py sdist
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3  # Don't upgrade to v4 until each artifact is named
         with:
           path: dist/*.tar.gz
 
@@ -167,7 +167,7 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v4
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v3  # Don't upgrade to v4 until each artifact is named
         with:
           name: artifact
           path: dist