diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 72d0a17..d11d78e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,7 +20,7 @@ jobs:
       - name: pytest
         run: python -m pytest --verbose --cov=./statmechcrack/ --cov-report xml
       - name: codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           name: codecov-umbrella
           verbose: true