diff --git a/.github/workflows/cross-compile.yml b/.github/workflows/cross-compile.yml
index 8f50137..00fdbc5 100644
--- a/.github/workflows/cross-compile.yml
+++ b/.github/workflows/cross-compile.yml
@@ -40,7 +40,7 @@ jobs:
           platform: ${{ matrix.platform }}
           ruby-versions: "2.7,3.0,3.1,3.2,3.3,3.4"
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         with:
           name: mrml-ruby-${{ matrix.platform }}
           path: ${{ steps.cross-gem.outputs.gem-path }}
@@ -49,7 +49,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: cross-gem
     steps:
-      - uses: actions/upload-artifact/merge@v5
+      - uses: actions/upload-artifact/merge@v6
         with:
           name: cross-gem
           pattern: mrml-ruby-*