diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 3db683ec7..43abe1afc 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,15 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    backupGlobals="false"
+    backupStaticAttributes="false"
+    colors="true"
+    convertErrorsToExceptions="true"
+    convertNoticesToExceptions="true"
+    convertWarningsToExceptions="true"
+    convertDeprecationsToExceptions="false"
+    processIsolation="false"
+    stopOnFailure="false"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="enqueue">
diff --git a/pkg/amqp-bunny/phpunit.xml.dist b/pkg/amqp-bunny/phpunit.xml.dist
index 0db15a427..3ca071a57 100644
--- a/pkg/amqp-bunny/phpunit.xml.dist
+++ b/pkg/amqp-bunny/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue AmqpBunny Transport Test Suite">
diff --git a/pkg/amqp-ext/phpunit.xml.dist b/pkg/amqp-ext/phpunit.xml.dist
index b24485336..1e72c01a2 100644
--- a/pkg/amqp-ext/phpunit.xml.dist
+++ b/pkg/amqp-ext/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue AmqpExt Transport Test Suite">
diff --git a/pkg/amqp-lib/phpunit.xml.dist b/pkg/amqp-lib/phpunit.xml.dist
index 258e20c5e..2c5fe1f6a 100644
--- a/pkg/amqp-lib/phpunit.xml.dist
+++ b/pkg/amqp-lib/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue AmqpLib Transport Test Suite">
diff --git a/pkg/async-event-dispatcher/phpunit.xml.dist b/pkg/async-event-dispatcher/phpunit.xml.dist
index b4c8fec08..e5c3f6d2d 100644
--- a/pkg/async-event-dispatcher/phpunit.xml.dist
+++ b/pkg/async-event-dispatcher/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Symfony Async Event Dispatcher Test Suite">
diff --git a/pkg/dbal/phpunit.xml.dist b/pkg/dbal/phpunit.xml.dist
index 8b2213d34..55a8d1f29 100644
--- a/pkg/dbal/phpunit.xml.dist
+++ b/pkg/dbal/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Doctrine DBAL Transport Test Suite">
diff --git a/pkg/dsn/phpunit.xml.dist b/pkg/dsn/phpunit.xml.dist
index 8709cdcf6..43b743e2a 100644
--- a/pkg/dsn/phpunit.xml.dist
+++ b/pkg/dsn/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Enqueue DSN">
diff --git a/pkg/enqueue-bundle/phpunit.xml.dist b/pkg/enqueue-bundle/phpunit.xml.dist
index 9058a1c0c..974d2c3f5 100644
--- a/pkg/enqueue-bundle/phpunit.xml.dist
+++ b/pkg/enqueue-bundle/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Bundle Test Suite">
diff --git a/pkg/enqueue/phpunit.xml.dist b/pkg/enqueue/phpunit.xml.dist
index 2b99dda0b..69c12ca1e 100644
--- a/pkg/enqueue/phpunit.xml.dist
+++ b/pkg/enqueue/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Test Suite">
diff --git a/pkg/fs/phpunit.xml.dist b/pkg/fs/phpunit.xml.dist
index ccc9b044b..79088ae1d 100644
--- a/pkg/fs/phpunit.xml.dist
+++ b/pkg/fs/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Enqueue Filesystem Transport">
diff --git a/pkg/gearman/phpunit.xml.dist b/pkg/gearman/phpunit.xml.dist
index 26f1d81f1..6b750813c 100644
--- a/pkg/gearman/phpunit.xml.dist
+++ b/pkg/gearman/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Gearman Transport Test Suite">
diff --git a/pkg/gps/phpunit.xml.dist b/pkg/gps/phpunit.xml.dist
index af7972bc6..77f02571a 100644
--- a/pkg/gps/phpunit.xml.dist
+++ b/pkg/gps/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Google Pub/Sub Transport Test Suite">
diff --git a/pkg/job-queue/phpunit.xml.dist b/pkg/job-queue/phpunit.xml.dist
index d82f4457f..3665922c4 100644
--- a/pkg/job-queue/phpunit.xml.dist
+++ b/pkg/job-queue/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Job Queue Test Suite">
diff --git a/pkg/mongodb/phpunit.xml.dist b/pkg/mongodb/phpunit.xml.dist
index 8416ff838..6b9960935 100644
--- a/pkg/mongodb/phpunit.xml.dist
+++ b/pkg/mongodb/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Mongodb Transport Test Suite">
diff --git a/pkg/monitoring/phpunit.xml.dist b/pkg/monitoring/phpunit.xml.dist
index 10678a573..254ab22d6 100644
--- a/pkg/monitoring/phpunit.xml.dist
+++ b/pkg/monitoring/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Enqueue Monitoring">
diff --git a/pkg/null/phpunit.xml.dist b/pkg/null/phpunit.xml.dist
index 2c7c8b1ff..07729246d 100644
--- a/pkg/null/phpunit.xml.dist
+++ b/pkg/null/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Enqueue Null Transport">
diff --git a/pkg/pheanstalk/phpunit.xml.dist b/pkg/pheanstalk/phpunit.xml.dist
index b24485336..1e72c01a2 100644
--- a/pkg/pheanstalk/phpunit.xml.dist
+++ b/pkg/pheanstalk/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue AmqpExt Transport Test Suite">
diff --git a/pkg/rdkafka/phpunit.xml.dist b/pkg/rdkafka/phpunit.xml.dist
index 0f9bb33cc..a20efef51 100644
--- a/pkg/rdkafka/phpunit.xml.dist
+++ b/pkg/rdkafka/phpunit.xml.dist
@@ -1,15 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    backupGlobals="false"
+    backupStaticAttributes="false"
+    colors="true"
+    convertDeprecationsToExceptions="false"
+    convertErrorsToExceptions="true"
+    convertNoticesToExceptions="true"
+    convertWarningsToExceptions="true"
+    processIsolation="false"
+    stopOnFailure="false"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue RdKafka Transport Test Suite">
diff --git a/pkg/redis/phpunit.xml.dist b/pkg/redis/phpunit.xml.dist
index 6abcdf9f4..22691000e 100644
--- a/pkg/redis/phpunit.xml.dist
+++ b/pkg/redis/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Redis Transport Test Suite">
diff --git a/pkg/simple-client/phpunit.xml.dist b/pkg/simple-client/phpunit.xml.dist
index 57d353f74..81d59cfaf 100644
--- a/pkg/simple-client/phpunit.xml.dist
+++ b/pkg/simple-client/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Simple Client Test Suite">
diff --git a/pkg/sns/phpunit.xml.dist b/pkg/sns/phpunit.xml.dist
index e50e79f9a..5f01f5897 100644
--- a/pkg/sns/phpunit.xml.dist
+++ b/pkg/sns/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Amazon SNS Transport Test Suite">
diff --git a/pkg/snsqs/phpunit.xml.dist b/pkg/snsqs/phpunit.xml.dist
index 69fa7ebb8..9adb0b184 100644
--- a/pkg/snsqs/phpunit.xml.dist
+++ b/pkg/snsqs/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Amazon SNS-SQS Transport Test Suite">
diff --git a/pkg/sqs/phpunit.xml.dist b/pkg/sqs/phpunit.xml.dist
index 1810857f2..8fbb94ebf 100644
--- a/pkg/sqs/phpunit.xml.dist
+++ b/pkg/sqs/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Amazon SQS Transport Test Suite">
diff --git a/pkg/stomp/phpunit.xml.dist b/pkg/stomp/phpunit.xml.dist
index 6bbac7035..ae7136aca 100644
--- a/pkg/stomp/phpunit.xml.dist
+++ b/pkg/stomp/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue Stomp Transport Test Suite">
diff --git a/pkg/wamp/phpunit.xml.dist b/pkg/wamp/phpunit.xml.dist
index 1648880fe..9e8558ce8 100644
--- a/pkg/wamp/phpunit.xml.dist
+++ b/pkg/wamp/phpunit.xml.dist
@@ -1,15 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         bootstrap="./vendor/autoload.php"
-        >
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+    colors="true"
+    bootstrap="./vendor/autoload.php"
+>
 
     <testsuites>
         <testsuite name="Message Queue WAMP Transport Test Suite">