diff --git a/.github/workflows/docstring_tests.yml b/.github/workflows/docstring_tests.yml
index 60d8620..a425fc0 100644
--- a/.github/workflows/docstring_tests.yml
+++ b/.github/workflows/docstring_tests.yml
@@ -41,6 +41,6 @@ jobs:
         run: poetry run pytest -m "not webtest and not slow" --doctest-modules --cov --cov-report=xml
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 4584014..06d65fc 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -80,6 +80,6 @@ jobs:
         run: poetry run pytest -m "not webtest" --cov --cov-report=xml
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.github/workflows/webtests.yml b/.github/workflows/webtests.yml
index 4846928..05ec605 100644
--- a/.github/workflows/webtests.yml
+++ b/.github/workflows/webtests.yml
@@ -56,6 +56,6 @@ jobs:
         run: poetry run pytest -m "webtest" --cov --cov-report=xml
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}