diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 64e533f..2c23829 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -226,7 +226,7 @@ jobs:
       - name: Build package
         run: |
           python -m build
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           path: dist/*
           name: built-sdist
@@ -294,7 +294,7 @@ jobs:
           CIBW_ARCHS_WINDOWS: auto64
           CIBW_ARCHS_MACOS: x86_64 universal2 arm64
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           path: ./wheelhouse/*.whl
           name: built-bdist