diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 99666f0..32c56ca 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -128,7 +128,7 @@ jobs:
         run: |
           python -m cibuildwheel --output-dir wheelhouse
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         with:
           name: wheels-${{ matrix.os }}-${{ matrix.archs }}
           path: ./wheelhouse/*.whl
@@ -165,7 +165,7 @@ jobs:
           python -m pip install --upgrade "setuptools>=61" wheel "numpy>=2.0,<3"
           python setup.py sdist
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         with:
           name: sdist
           path: dist/*.tar.gz
@@ -176,7 +176,7 @@ jobs:
     needs: [build_wheels, build_sdist]
     steps:
       - name: Merge artifacts
-        uses: actions/upload-artifact/merge@v4
+        uses: actions/upload-artifact/merge@v6
         with:
           name: merged-dist