diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 08b2b68..3ee4acf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -51,7 +51,7 @@ jobs:
           python -m pip install --upgrade .[test]
           pytest --cov=legendoptics --cov-report=xml
       - name: Upload Coverage to codecov.io
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
 
   build-docs:
     name: Build documentation