diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 23527b2..148d196 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,7 +41,7 @@ jobs:
         run: coverage xml
       - name: Upload to Codecov
         if: matrix.python-version == '3.11'
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v3.1.4
         with:
           name: sphinx-exercise-pytest-py3.11
           flags: pytests