diff --git a/.dev-tools/src/Readme/ReadmeCommand.php b/.dev-tools/src/Readme/ReadmeCommand.php
index 08cd5021..2f89ebea 100644
--- a/.dev-tools/src/Readme/ReadmeCommand.php
+++ b/.dev-tools/src/Readme/ReadmeCommand.php
@@ -65,8 +65,8 @@ private static function badges(): string
             ),
             self::badge(
                 'Test coverage',
-                \sprintf('%s/coverallsCoverage/github/%s.svg?branch=main&label=Test%%20coverage', self::SHIELDS_HOST, self::composer()->name),
-                \sprintf('https://coveralls.io/github/%s?branch=main', self::composer()->name),
+                \sprintf('%s/codecov/c/gh/%s?branch=main&label=Test%%20coverage', self::SHIELDS_HOST, self::composer()->name),
+                \sprintf('https://app.codecov.io/github/%s/tree/main', self::composer()->name),
             ),
             self::badge(
                 'Type coverage',
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e8523808..e2231e92 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -117,9 +117,6 @@ jobs:
       - if: matrix.with-php-cs-fixer-from-master
         run: composer require friendsofphp/php-cs-fixer:dev-master --no-update
 
-      - if: matrix.calculate-coverage
-        run: composer require --dev php-coveralls/php-coveralls --no-update
-
       - if: matrix.install-phpunit-12
         run: composer require --dev phpunit/phpunit:^12.3.4 --no-update
 
diff --git a/README.md b/README.md
index 6768123f..a8b070bd 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 # PHP CS Fixer: custom fixers
 
 [![CI](https://img.shields.io/github/actions/workflow/status/kubawerlos/php-cs-fixer-custom-fixers/ci.yaml?label=CI)](https://github.com/kubawerlos/php-cs-fixer-custom-fixers/actions/workflows/ci.yaml)
-[![Test coverage](https://img.shields.io/coverallsCoverage/github/kubawerlos/php-cs-fixer-custom-fixers.svg?branch=main&label=Test%20coverage)](https://coveralls.io/github/kubawerlos/php-cs-fixer-custom-fixers?branch=main)
+[![Test coverage](https://img.shields.io/codecov/c/gh/kubawerlos/php-cs-fixer-custom-fixers?branch=main&label=Test%20coverage)](https://app.codecov.io/github/kubawerlos/php-cs-fixer-custom-fixers/tree/main)
 [![Type coverage](https://img.shields.io/endpoint?label=Type%20coverage&url=https%3A%2F%2Fshepherd.dev%2Fviews%2Fcoverage_data.php%3Fkubawerlos%2Fphp-cs-fixer-custom-fixers)](https://shepherd.dev/github/kubawerlos/php-cs-fixer-custom-fixers)
 [![Mutation Score Indicator](https://img.shields.io/endpoint?label=Mutation%20Score%20Indicator&logo=none&url=https%3A%2F%2Fbadge-api.stryker-mutator.io%2Fgithub.com%2Fkubawerlos%2Fphp-cs-fixer-custom-fixers%2Fmain)](https://dashboard.stryker-mutator.io/reports/github.com/kubawerlos/php-cs-fixer-custom-fixers/main)
 [![Downloads](https://img.shields.io/packagist/dt/kubawerlos/php-cs-fixer-custom-fixers.svg?label=Downloads)](https://packagist.org/packages/kubawerlos/php-cs-fixer-custom-fixers/stats)