diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 95dba9133..927e31ba3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -54,7 +54,7 @@ jobs:
           python -m pip install --upgrade .[test]
           python -m pytest --cov=pygama --cov-report=xml
       - name: Upload Coverage to codecov.io
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: false