diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8236516..b61ef6d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,7 +37,7 @@ jobs:
       - name: run tox (base-only tests)
         run: tox -e 'py${{ matrix.python_version }}-base-only'
       - name: submit code coverage
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
@@ -59,7 +59,7 @@ jobs:
       - name: 'run tox for environment ${{ matrix.envs }}'
         run: tox -e '${{ matrix.envs }}'
       - name: submit code coverage
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}