diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6d38cb9..3b264dd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,7 +40,7 @@ jobs:
       - run: pytest --cov=unworldly --cov-report=xml --cov-report=term-missing
       - name: Upload coverage
         if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.13'
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         with:
           file: coverage.xml
           fail_ci_if_error: false