diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aa0820f..4017564 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,7 +52,7 @@ jobs:
         run: pnpm --filter @objectstack/spec test:coverage
 
       - name: Upload coverage reports
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: coverage-report
           path: packages/spec/coverage/
@@ -110,7 +110,7 @@ jobs:
           echo "Build outputs verified successfully"
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: build-output
           path: |