diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f54a8fc..0655010 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -143,7 +143,7 @@ jobs:
           fi
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: numo-${{ matrix.target }}
           path: target/${{ matrix.target }}/release/numo