diff --git a/.github/workflows/code_test.yml b/.github/workflows/code_test.yml
index a63c96e..d767a4c 100644
--- a/.github/workflows/code_test.yml
+++ b/.github/workflows/code_test.yml
@@ -92,7 +92,7 @@ jobs:
         run: uv run --no-sync pytest -v -n auto --cov --cov-report=xml
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           fail_ci_if_error: true
           use_oidc: true