diff --git a/.gitignore b/.gitignore
index 3beb10f..5d748a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 .idea
-phpunit.xml
 composer.lock
 composer.phar
 vendor/
diff --git a/phpunit.xml b/phpunit.xml
new file mode 100644
index 0000000..68febeb
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/6.0/phpunit.xsd"
+         bootstrap="vendor/autoload.php"
+         forceCoversAnnotation="true"
+         beStrictAboutCoversAnnotation="true"
+         beStrictAboutOutputDuringTests="true"
+         beStrictAboutTodoAnnotatedTests="true"
+         verbose="true">
+    <testsuite>
+        <directory suffix="Test.php">tests</directory>
+    </testsuite>
+
+    <filter>
+        <whitelist processUncoveredFilesFromWhitelist="true">
+            <directory suffix=".php">src</directory>
+        </whitelist>
+    </filter>
+</phpunit>