diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d567ec..3a182a4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -78,7 +78,7 @@ jobs:
         run: gem build conductor_ruby.gemspec
 
       - name: Upload gem artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: gem
           path: "*.gem"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cbf56fa..1ba2944 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -84,7 +84,7 @@ jobs:
           ruby -e "require 'conductor'; puts 'Gem loads successfully!'"
 
       - name: Upload gem artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: conductor_ruby-${{ needs.verify.outputs.version }}
           path: "*.gem"