diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 5018826..30f5050 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -4,9 +4,15 @@
   xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.4/phpunit.xsd"
   bootstrap="src/test/php/bootstrap.php"
 >
-  <source>
-    <include>
-      <directory suffix=".php">src/main/php</directory>
-    </include>
-  </source>
+  <testsuites>
+    <testsuite name="Unit">
+      <directory suffix="Test.php">./src/main/php</directory>
+    </testsuite>
+    <testsuite name="Feature">
+      <directory suffix="Test.php">./tests/Feature</directory>
+    </testsuite>
+    <testsuite name="OpenTsdbUnit">
+      <directory suffix="Test.php">./packages/open-tsdb/test/Unit</directory>
+    </testsuite>
+  </testsuites>
 </phpunit>