diff --git a/.appveyor.yml b/.appveyor.yml
index 4a39c8fe234..52d38af5eb2 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -74,15 +74,14 @@ install:
           $destination = "c:\tools\php\ext\php_pdo_sqlsrv-$($DLLVersion)-$($env:php)-nts-vc15-x64.zip"
           Invoke-WebRequest $source -OutFile $destination
           7z x -y php_pdo_sqlsrv-$($DLLVersion)-$($env:php)-nts-vc15-x64.zip > $null
-          $DLLVersion = (Invoke-WebRequest "https://pecl.php.net/rest/r/xdebug/stable.txt").Content
-          $source = "https://xdebug.org/files/php_xdebug-$($DLLVersion)-$($env:php)-vc15-nts-x86_64.dll"
-          $destination = "c:\tools\php\ext\php_xdebug.dll"
-          Invoke-WebRequest $source -OutFile $destination
+          $DLLVersion = (Invoke-WebRequest "https://pecl.php.net/rest/r/pcov/stable.txt").Content
+          Invoke-WebRequest https://windows.php.net/downloads/pecl/releases/pcov/$($DLLVersion)/php_pcov-$($DLLVersion)-7.3-nts-vc15-$($env:platform).zip -OutFile pcov.zip
+          7z x -y pcov.zip > $null
           Remove-Item c:\tools\php\* -include .zip
           cd c:\tools\php
           Add-Content php.ini "`nextension=php_sqlsrv.dll"
           Add-Content php.ini "`nextension=php_pdo_sqlsrv.dll"
-          Add-Content php.ini "`nzend_extension=php_xdebug.dll"
+          Add-Content php.ini "`nextension=php_pcov.dll"
           Add-Content php.ini "`n"
 
           # download Composer
@@ -123,8 +122,12 @@ test_script:
         $env:phpunit_config = "tests\appveyor\$($env:db).$($env:driver).appveyor.xml"
       }
 
-      vendor\bin\phpunit -c $($env:phpunit_config)
+      vendor\bin\phpunit -c $($env:phpunit_config) --coverage-clover clover.xml
 
       if ($LastExitCode -ne 0) {
         $host.SetShouldExit($LastExitCode)
       }
+
+after_test:
+  - appveyor DownloadFile https://codecov.io/bash -FileName codecov.sh
+  - bash codecov.sh -f clover.xml
diff --git a/.coveralls.yml b/.coveralls.yml
deleted file mode 100644
index 5222c21dfa5..00000000000
--- a/.coveralls.yml
+++ /dev/null
@@ -1,2 +0,0 @@
-coverage_clover: clover.xml
-json_path: /tmp/coveralls-upload.json
diff --git a/.travis.yml b/.travis.yml
index 8445bea133c..68e57663255 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,8 +11,6 @@ before_install:
   - |
     if [ "x$COVERAGE" == "xyes" ]; then
       pecl install pcov-1.0.0
-      wget https://github.com/php-coveralls/php-coveralls/releases/download/v2.2.0/php-coveralls.phar --output-document="${HOME}/bin/coveralls"
-      chmod +x ${HOME}/bin/coveralls
     fi
 
 before_script:
@@ -33,10 +31,10 @@ script:
        ./vendor/bin/phpunit --configuration tests/travis/$DB.travis.xml
     fi
 
-after_script:
+after_success:
   - |
     if [ "x$COVERAGE" == "xyes" ]; then
-      travis_retry coveralls -v
+      bash <(curl -s https://codecov.io/bash)
     fi
 
 jobs:
diff --git a/README.md b/README.md
index e1c55fd1783..9c7f8b25501 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 |:----------------:|:----------:|
 | [![Build status][Master image]][Master] | [![Build status][2.10 image]][2.10] |
 | [![Build Status][ContinuousPHP image]][ContinuousPHP] | [![Build Status][ContinuousPHP 2.10 image]][ContinuousPHP] |
-| [![Code Coverage][Coverage image]][Coveralls Master] | [![Code Coverage][Coverage 2.10 image]][Coveralls 2.10] |
+| [![Code Coverage][Coverage image]][CodeCov Master] | [![Code Coverage][Coverage 2.10 image]][CodeCov 2.10] |
 | [![AppVeyor][AppVeyor master image]][AppVeyor master] | [![AppVeyor][AppVeyor 2.10 image]][AppVeyor 2.10] |
 
 Powerful database abstraction layer with many features for database schema introspection, schema management and PDO abstraction.
@@ -16,18 +16,18 @@ Powerful database abstraction layer with many features for database schema intro
 * [Issue Tracker](https://github.com/doctrine/dbal/issues)
 
   [Master image]: https://img.shields.io/travis/doctrine/dbal/master.svg?style=flat-square
-  [Coverage image]: https://coveralls.io/repos/github/doctrine/dbal/badge.svg?branch=master
+  [Coverage image]: https://codecov.io/gh/doctrine/dbal/branch/master/graph/badge.svg
   [ContinuousPHP image]: https://img.shields.io/continuousphp/git-hub/doctrine/dbal/master.svg?style=flat-square
   [Master]: https://travis-ci.org/doctrine/dbal
-  [Coveralls Master]: https://coveralls.io/github/doctrine/dbal?branch=master
+  [CodeCov Master]: https://codecov.io/gh/doctrine/dbal/branch/master
   [AppVeyor master]: https://ci.appveyor.com/project/doctrine/dbal/branch/master
   [AppVeyor master image]: https://ci.appveyor.com/api/projects/status/i88kitq8qpbm0vie/branch/master?svg=true
   [ContinuousPHP]: https://continuousphp.com/git-hub/doctrine/dbal
 
   [2.10 image]: https://img.shields.io/travis/doctrine/dbal/2.10.x.svg?style=flat-square
-  [Coverage 2.10 image]: https://coveralls.io/repos/github/doctrine/dbal/badge.svg?branch=2.10.x
+  [Coverage 2.10 image]: https://codecov.io/gh/doctrine/dbal/branch/2.10.x/graph/badge.svg
   [ContinuousPHP 2.10 image]: https://img.shields.io/continuousphp/git-hub/doctrine/dbal/2.10.x.svg?style=flat-square
   [2.10]: https://github.com/doctrine/dbal/tree/2.10.x
-  [Coveralls 2.10]: https://coveralls.io/github/doctrine/dbal?branch=2.10.x
+  [CodeCov 2.10]: https://codecov.io/gh/doctrine/dbal/branch/2.10.x
   [AppVeyor 2.10]: https://ci.appveyor.com/project/doctrine/dbal/branch/2.10.x
   [AppVeyor 2.10 image]: https://ci.appveyor.com/api/projects/status/i88kitq8qpbm0vie/branch/2.10.x?svg=true