diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e6645cb..de7055a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,7 +36,7 @@ jobs:
 
       - name: Run coverage
         if: matrix.python-version == '3.12' && matrix.toxenv == 'py312'
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           flags: unittests