diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index e5089b80..8257e8b4 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -72,7 +72,7 @@ jobs:
       run: cmake --build . --config $BUILD_TYPE --parallel 4
 
     - name: Upload
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       if: runner.environment == 'github-hosted'
       with:
         name: cmake-${{matrix.os}}-${{matrix.toolset}}
diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index f4871a3b..a54faf42 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -74,7 +74,7 @@ jobs:
           CIBW_TEST_COMMAND: ctest --test-dir {package}/build --output-on-failure
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: cibw-wheel-${{ matrix.pyver }}-${{ matrix.build }}
           path: ./wheelhouse/spt3g*.whl
@@ -91,7 +91,7 @@ jobs:
       - name: Build sdist
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           name: cibw-sdist
           path: dist/*.tar.gz