diff --git a/.github/workflows/unittest.yaml b/.github/workflows/unittest.yaml
index 15cb83df3..485ebec09 100644
--- a/.github/workflows/unittest.yaml
+++ b/.github/workflows/unittest.yaml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         # python-version: ['3.9', '3.10', '3.11']
@@ -48,7 +48,7 @@ jobs:
           exit 1
         fi
     - name: Upload pytest test results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: pytest-results-${{ matrix.python-version }}
         path: |