diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index f76e0fc..4c2bd0b 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -8,9 +8,6 @@ on:
     branches:
       - develop
 
-permissions:
-  contents: write
-
 jobs:
   coverage:
     name: Run Coverage
@@ -19,8 +16,6 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
 
       - name: Set up Python 3.13
         uses: actions/setup-python@v6
@@ -39,7 +34,6 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -e ".[dev]"
-          pip install "genbadge[coverage]"
 
       - name: Run pytest with coverage
         run: |
@@ -56,17 +50,7 @@ jobs:
           coverage report --show-missing >> $GITHUB_STEP_SUMMARY
           echo '```' >> $GITHUB_STEP_SUMMARY
 
-      - name: Generate coverage badge
-        run: |
-          genbadge coverage -i reports/coverage/coverage.xml -o badges/coverage-badge.svg
-
-      - name: Commit updated badge
-        if: github.event_name == 'push'
-        run: |
-          git config --local user.name "github-actions[bot]"
-          git config --local user.email "github-actions[bot]@users.noreply.github.com"
-          git add badges/coverage-badge.svg
-          git diff --cached --quiet && exit 0
-          git commit -m "Update coverage badge [skip ci]"
-          git pull --rebase origin develop
-          git push
\ No newline at end of file
+      - name: Upload coverage reports to Codecov with GitHub Action
+        uses: codecov/codecov-action@v5
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
\ No newline at end of file
diff --git a/README.md b/README.md
index 1cd5d37..f5d25cf 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [![PyPI](https://img.shields.io/pypi/v/reactix)](https://pypi.org/project/reactix/)
 [![Python](https://img.shields.io/pypi/pyversions/reactix)](https://pypi.org/project/reactix/)
 [![PyTest](https://github.com/astoeriko/reactix/actions/workflows/pytest.yml/badge.svg)](https://github.com/astoeriko/reactix/actions/workflows/pytest.yml)
-[![Coverage](https://raw.githubusercontent.com/astoeriko/reactix/develop/badges/coverage-badge.svg)](https://github.com/astoeriko/reactix/actions/workflows/coverage.yml)
+[![codecov](https://codecov.io/gh/astoeriko/reactix/branch/develop/graph/badge.svg)](https://codecov.io/gh/astoeriko/reactix)
 [![License](https://img.shields.io/github/license/astoeriko/reactix)](LICENSE)
 [![Docs](https://img.shields.io/badge/docs-latest-blue)](https://astoeriko.github.io/reactix/)