diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 93ea036..da65ffb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,6 +22,7 @@ jobs:
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5
         with:
+          token: ${{ secrets.CODECOV_TOKEN }}
           files: coverage.out
           fail_ci_if_error: false
 
diff --git a/README.md b/README.md
index c951a90..c78c74b 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![Go Reference](https://pkg.go.dev/badge/github.com/gocanto/collection.svg)](https://pkg.go.dev/github.com/gocanto/collection)
 [![Go Version](https://img.shields.io/badge/go-1.25-blue.svg)](https://golang.org/doc/devel/release.html#go1.25)
 [![CI](https://github.com/gocanto/collection/actions/workflows/ci.yml/badge.svg)](https://github.com/gocanto/collection/actions/workflows/ci.yml)
-[![codecov](https://codecov.io/gh/gocanto/collection/branch/main/graph/badge.svg)](https://codecov.io/gh/gocanto/collection)
+[![codecov](https://codecov.io/gh/oullin/collection/branch/main/graph/badge.svg)](https://codecov.io/gh/oullin/collection)
 [![Go Report Card](https://goreportcard.com/badge/github.com/gocanto/collection)](https://goreportcard.com/report/github.com/gocanto/collection)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)