diff --git a/.github/workflows/code_test.yml b/.github/workflows/code_test.yml
index dc684cb..9d00cb4 100644
--- a/.github/workflows/code_test.yml
+++ b/.github/workflows/code_test.yml
@@ -67,7 +67,7 @@ jobs:
         run: uv run coverage 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