diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 3f93d30b..da377276 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -44,7 +44,7 @@ jobs:
       run: bundle exec rake compile
     - name: Build gem
       run: bundle exec rake build
-    - uses: actions/upload-artifact@v5
+    - uses: actions/upload-artifact@v6
       with:
         name: gem-${{ matrix.os }}-${{ matrix.ruby }}
         path: pkg/