diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index dabee96..5fc6cda 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -6,6 +6,10 @@
 		colors="true"
 		beStrictAboutTestsThatDoNotTestAnything="true"
 		beStrictAboutOutputDuringTests="true"
+		convertErrorsToExceptions="true"
+		convertWarningsToExceptions="true"
+		convertNoticesToExceptions="true"
+		convertDeprecationsToExceptions="true"
 		>
 	<testsuites>
 		<!-- Default test suite to run all tests. -->