diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fce6897..f53cb61 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -69,7 +69,7 @@ jobs:
 
     - name: Upload test results
       if: always()
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: test-results-${{ matrix.os }}-py${{ matrix.python-version }}
         path: |