diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4e383dc..0bc6ae0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,8 @@ on:
 
 jobs:
   PHPUnit:
-    runs-on: ubuntu-latest
+    name: PHPUnit (PHP ${{ matrix.php }})
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         php:
@@ -21,12 +22,12 @@ jobs:
           - 5.4
     steps:
       - uses: actions/checkout@v2
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
+      - uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
+          coverage: xdebug
       - run: composer install
       - run: vendor/bin/phpunit --coverage-text
-        if: matrix.php >= 7.3
+        if: ${{ matrix.php >= 7.3 }}
       - run: vendor/bin/phpunit --coverage-text -c phpunit.xml.legacy
-        if: matrix.php < 7.3
+        if: ${{ matrix.php < 7.3 }}
diff --git a/README.md b/README.md
index ebdb165..c9151da 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # clue/reactphp-eventsource
 
-[![CI status](https://github.com/clue/reactphp-eventsource/workflows/CI/badge.svg)](https://github.com/clue/reactphp-eventsource/actions)
+[![CI status](https://github.com/clue/reactphp-eventsource/actions/workflows/ci.yml/badge.svg)](https://github.com/clue/reactphp-eventsource/actions)
 [![installs on Packagist](https://img.shields.io/packagist/dt/clue/reactphp-eventsource?color=blue&label=installs%20on%20Packagist)](https://packagist.org/packages/clue/reactphp-eventsource)
 
 Event-driven EventSource client, receiving streaming messages from any HTML5 Server-Sent Events (SSE) server,