diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 1a857a3d..77bfc2cc 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -42,7 +42,7 @@ jobs:
       run: |
         nox -s unit${{ matrix.option }}-${{ matrix.python }}
     - name: Upload coverage results
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: coverage-artifacts
         path: .coverage${{ matrix.option }}-${{ matrix.python }}
@@ -64,7 +64,7 @@ jobs:
         python -m pip install --upgrade setuptools pip wheel
         python -m pip install coverage
     - name: Download coverage results
-      uses: actions/download-artifact@v2
+      uses: actions/download-artifact@v3
       with:
         name: coverage-artifacts
         path: .coverage-results/