diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 1f3777c..e2b71b1 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -70,7 +70,7 @@ jobs:
             tests
 
       - name: upload coverage report to codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: true
           env_vars: OS,PYTHON