diff --git a/tests/phpunit.xml.dist b/tests/phpunit.xml.dist
index 5752431..3b3ea61 100644
--- a/tests/phpunit.xml.dist
+++ b/tests/phpunit.xml.dist
@@ -7,6 +7,7 @@
 	failOnWarning="true"
 	failOnRisky="true"
 	displayDetailsOnTestsThatTriggerWarnings="true"
+	displayDetailsOnTestsThatTriggerDeprecations="true"
 	displayDetailsOnSkippedTests="true">
 	<testsuites>
 		<testsuite name="unit">