diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index da2cfbb..301f712 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -79,7 +79,7 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
           extensions: pdo_mysql
-          coverage: xdebug
+          coverage: pcov
 
       - name: Install composer dependencies
         uses: ramsey/composer-install@v3
@@ -96,9 +96,7 @@ jobs:
         if: ${{ matrix.php-version != env.HIGHEST_PHP_VERSION }}
 
       - name: Run PHPUnit with coverage
-        run: |
-          mkdir -p build/logs
-          vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+        run: vendor/bin/phpunit --coverage-clover clover.xml
         env:
           DRIVER: mysql_pdo
           MYSQL_HOST: 127.0.0.1
@@ -108,10 +106,10 @@ jobs:
           PDO_ERRMODE: ${{ matrix.pdo-errmode }}
         if: ${{ matrix.php-version == env.HIGHEST_PHP_VERSION }}
 
-      - name: Upload coverage report to Coveralls
-        run: vendor/bin/php-coveralls --coverage_clover=build/logs/clover.xml -v
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
         env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         if: ${{ matrix.php-version == env.HIGHEST_PHP_VERSION }}
 
   phpunit-mysql-doctrine:
@@ -148,7 +146,7 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
           extensions: pdo_mysql
-          coverage: xdebug
+          coverage: pcov
 
       - name: Install composer dependencies
         uses: ramsey/composer-install@v3
@@ -156,19 +154,17 @@ jobs:
           dependency-versions: ${{ matrix.deps }}
 
       - name: Run PHPUnit with coverage
-        run: |
-          mkdir -p build/logs
-          vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+        run: vendor/bin/phpunit --coverage-clover clover.xml
         env:
           DRIVER: mysql_doctrine
           MYSQL_HOST: 127.0.0.1
           MYSQL_USER: root
           MYSQL_PASSWORD: password
 
-      - name: Upload coverage report to Coveralls
-        run: vendor/bin/php-coveralls --coverage_clover=build/logs/clover.xml -v
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
         env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   phpunit-mariadb-pdo:
     name: PHPUnit MariaDB / PDO
@@ -199,25 +195,23 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
           extensions: pdo_mysql
-          coverage: xdebug
+          coverage: pcov
 
       - name: Install composer dependencies
         uses: ramsey/composer-install@v3
 
       - name: Run PHPUnit with coverage
-        run: |
-          mkdir -p build/logs
-          vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+        run: vendor/bin/phpunit --coverage-clover clover.xml
         env:
           DRIVER: mariadb_pdo
           MARIADB_HOST: 127.0.0.1
           MARIADB_USER: root
           MARIADB_PASSWORD: password
 
-      - name: Upload coverage report to Coveralls
-        run: vendor/bin/php-coveralls --coverage_clover=build/logs/clover.xml -v
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
         env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   phpunit-mariadb-doctrine:
     name: PHPUnit MariaDB / Doctrine
@@ -248,25 +242,23 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
           extensions: pdo_mysql
-          coverage: xdebug
+          coverage: pcov
 
       - name: Install composer dependencies
         uses: ramsey/composer-install@v3
 
       - name: Run PHPUnit with coverage
-        run: |
-          mkdir -p build/logs
-          vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+        run: vendor/bin/phpunit --coverage-clover clover.xml
         env:
           DRIVER: mariadb_doctrine
           MARIADB_HOST: 127.0.0.1
           MARIADB_USER: root
           MARIADB_PASSWORD: password
 
-      - name: Upload coverage report to Coveralls
-        run: vendor/bin/php-coveralls --coverage_clover=build/logs/clover.xml -v
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
         env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   phpunit-postgres-pdo:
     name: PHPUnit Postgres / PDO
@@ -295,25 +287,23 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
           extensions: pdo_pgsql
-          coverage: xdebug
+          coverage: pcov
 
       - name: Install composer dependencies
         uses: ramsey/composer-install@v3
 
       - name: Run PHPUnit with coverage
-        run: |
-          mkdir -p build/logs
-          vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+        run: vendor/bin/phpunit --coverage-clover clover.xml
         env:
           DRIVER: postgres_pdo
           POSTGRES_HOST: 127.0.0.1
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres
 
-      - name: Upload coverage report to Coveralls
-        run: vendor/bin/php-coveralls --coverage_clover=build/logs/clover.xml -v
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
         env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   phpunit-postgres-doctrine:
     name: PHPUnit Postgres / Doctrine
@@ -342,22 +332,20 @@ jobs:
         with:
           php-version: ${{ matrix.php-version }}
           extensions: pdo_pgsql
-          coverage: xdebug
+          coverage: pcov
 
       - name: Install composer dependencies
         uses: ramsey/composer-install@v3
 
       - name: Run PHPUnit with coverage
-        run: |
-          mkdir -p build/logs
-          vendor/bin/phpunit --coverage-clover build/logs/clover.xml
+        run: vendor/bin/phpunit --coverage-clover clover.xml
         env:
           DRIVER: postgres_doctrine
           POSTGRES_HOST: 127.0.0.1
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres
 
-      - name: Upload coverage report to Coveralls
-        run: vendor/bin/php-coveralls --coverage_clover=build/logs/clover.xml -v
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
         env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/README.md b/README.md
index 3d57e10..e300bed 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@
 Advisory locking for PHP applications.
 
 [![Build Status](https://github.com/brick/lock/workflows/CI/badge.svg)](https://github.com/brick/lock/actions)
+[![Coverage](https://codecov.io/github/brick/lock/graph/badge.svg)](https://codecov.io/github/brick/lock)
 [![Latest Stable Version](https://poser.pugx.org/brick/lock/v/stable)](https://packagist.org/packages/brick/lock)
 [![Total Downloads](https://poser.pugx.org/brick/lock/downloads)](https://packagist.org/packages/brick/lock)
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](http://opensource.org/licenses/MIT)
diff --git a/composer.json b/composer.json
index dff6002..97e2f50 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,6 @@
         "phpunit/phpunit": "^11.5",
         "symfony/process": "^7.3",
         "opis/closure": "^4.3",
-        "php-coveralls/php-coveralls": "^2.8",
         "guzzlehttp/guzzle": "^7.0"
     },
     "conflict": {