diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 6dbdd6f77..4dd5ecc6d 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -7,6 +7,7 @@
            executionOrder="random"
            failOnRisky="true"
            failOnWarning="true"
+           convertDeprecationsToExceptions="true"
   >
   <testsuites>
     <testsuite name="Test Suite">