diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index abe5341..4b5f119 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -65,7 +65,7 @@ jobs:
         run: composer stan:ci
 
       - name: 📤 Upload coverage report to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./coverage.xml