diff --git a/.github/workflows/linux_conda.yml b/.github/workflows/linux_conda.yml
index 1557fa3d..e9338fe8 100644
--- a/.github/workflows/linux_conda.yml
+++ b/.github/workflows/linux_conda.yml
@@ -52,4 +52,4 @@ jobs:
         name: 'Show infos'
       - name: Run pytest
         run: python -m pytest . --cov=mne_connectivity --cov-report=xml --cov-config=pyproject.toml --verbose --ignore mne-python
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 65c1e1d4..4d48ac4d 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -72,4 +72,4 @@ jobs:
       - run: pip install -e .
       - run: mne sys_info
       - run: python -m pytest . --cov=mne_connectivity --cov-report=xml --cov-config=pyproject.toml --verbose --ignore mne-python
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4