diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 78278c7d..ce225566 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,7 +45,7 @@ jobs:
       run: |
         pytest --cov cellpack/tests/
     - name: Upload codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
 
   lint:
     runs-on: ubuntu-latest