diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 6bc3e8b86519bae6b2861ae11e55f35a1e4c91af..ba74a11535c5aa1be2bcea113487ac90f9382149 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,13 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd" bootstrap="vendor/autoload.php" executionOrder="depends,defects" forceCoversAnnotation="true" beStrictAboutCoversAnnotation="true" beStrictAboutOutputDuringTests="true" beStrictAboutTodoAnnotatedTests="true" verbose="true">
-  <coverage processUncoveredFiles="true">
-    <include>
-      <directory suffix=".php">src</directory>
-    </include>
-  </coverage>
-  <testsuites>
-    <testsuite name="default">
-      <directory suffix="Test.php">tests</directory>
-    </testsuite>
-  </testsuites>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/7.5/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         executionOrder="depends,defects"
+         forceCoversAnnotation="true"
+         beStrictAboutCoversAnnotation="true"
+         beStrictAboutOutputDuringTests="true"
+         beStrictAboutTodoAnnotatedTests="true"
+         verbose="true">
+
+    <testsuites>
+        <testsuite name="default">
+            <directory suffix="Test.php">tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">src</directory>
+        </whitelist>
+    </filter>
 </phpunit>