diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7a9d10e..fe73d5a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,8 +15,8 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.2, 7.3, 7.4]
-        symfony: [4.4.*, 5.0.*, 5.1.*]
+        php: [7.2, 7.3, 7.4, 8.0]
+        symfony: [4.4.*, 5.1.*]
 
     steps:
       - name: Checkout code
diff --git a/composer.json b/composer.json
index 3b5a3d4..94f5ac4 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": "^7.2",
+        "php": ">=7.2",
         "dragonmantank/cron-expression": "^2.3",
         "symfony/console": "^3.4|^4.0|^5.0",
         "symfony/dependency-injection": "^3.4|^4.0|^5.0",
@@ -28,7 +28,7 @@
         "symfony/lock": "^4.4|^5.0",
         "symfony/mailer": "^4.4|^5.0",
         "symfony/messenger": "^4.4|^5.0",
-        "symfony/phpunit-bridge": "^5.0",
+        "symfony/phpunit-bridge": "^5.1.8",
         "symfony/process": "^4.2|^5.0"
     },
     "suggest": {
diff --git a/tests/Schedule/Task/CallbackTaskTest.php b/tests/Schedule/Task/CallbackTaskTest.php
index 4ce635e..cb98080 100644
--- a/tests/Schedule/Task/CallbackTaskTest.php
+++ b/tests/Schedule/Task/CallbackTaskTest.php
@@ -15,10 +15,10 @@ final class CallbackTaskTest extends TestCase
      */
     public function has_default_description()
     {
-        $this->assertRegExp('#^\(callable\) Zenstruck\\\\ScheduleBundle\\\\Tests\\\\Schedule\\\\Task\\\\CallbackTaskTest\:\d+$#', (new CallbackTask(function() {}))->getDescription());
-        $this->assertRegExp('#^\(callable\) Zenstruck\\\\ScheduleBundle\\\\Tests\\\\Schedule\\\\Task\\\\CallbackTaskTest\:\d+$#', (new CallbackTask([$this, __METHOD__]))->getDescription());
-        $this->assertRegExp('#^\(callable\) Zenstruck\\\\ScheduleBundle\\\\Tests\\\\Schedule\\\\Task\\\\FixtureForCallbackTaskTest\:\d+$#', (new CallbackTask(new FixtureForCallbackTaskTest()))->getDescription());
-        $this->assertRegExp('#^\(callable\) Zenstruck\\\\ScheduleBundle\\\\Tests\\\\Schedule\\\\Task\\\\FixtureForCallbackTaskTest\:\d+$#', (new CallbackTask([FixtureForCallbackTaskTest::class, 'staticMethod']))->getDescription());
+        $this->assertMatchesRegularExpression('#^\(callable\) Zenstruck\\\\ScheduleBundle\\\\Tests\\\\Schedule\\\\Task\\\\CallbackTaskTest\:\d+$#', (new CallbackTask(function() {}))->getDescription());
+        $this->assertMatchesRegularExpression('#^\(callable\) Zenstruck\\\\ScheduleBundle\\\\Tests\\\\Schedule\\\\Task\\\\CallbackTaskTest\:\d+$#', (new CallbackTask([$this, __METHOD__]))->getDescription());
+        $this->assertMatchesRegularExpression('#^\(callable\) Zenstruck\\\\ScheduleBundle\\\\Tests\\\\Schedule\\\\Task\\\\FixtureForCallbackTaskTest\:\d+$#', (new CallbackTask(new FixtureForCallbackTaskTest()))->getDescription());
+        $this->assertMatchesRegularExpression('#^\(callable\) Zenstruck\\\\ScheduleBundle\\\\Tests\\\\Schedule\\\\Task\\\\FixtureForCallbackTaskTest\:\d+$#', (new CallbackTask([FixtureForCallbackTaskTest::class, 'staticMethod']))->getDescription());
         $this->assertSame('(callable) '.__NAMESPACE__.'\callback_task_test_function', (new CallbackTask(__NAMESPACE__.'\callback_task_test_function'))->getDescription());
     }
 
@@ -27,7 +27,7 @@ public function has_default_description()
      */
     public function task_has_context()
     {
-        $this->assertRegExp('#Zenstruck\\\\ScheduleBundle\\\\Tests\\\\Schedule\\\\Task\\\\CallbackTaskTest\:\d+$#', (new CallbackTask(function() {}))->getContext()['Callable']);
+        $this->assertMatchesRegularExpression('#Zenstruck\\\\ScheduleBundle\\\\Tests\\\\Schedule\\\\Task\\\\CallbackTaskTest\:\d+$#', (new CallbackTask(function() {}))->getContext()['Callable']);
     }
 }