diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 19b854e..145f1e6 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -47,7 +47,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         id: download
         with:
           name: 'coverage'