diff --git a/phpunit.xml b/phpunit.xml
index 9c1553a4..573ed7ec 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <phpunit bootstrap="tests/bootstrap.php"
 		 verbose="true"
-         colors="true"
+		 convertDeprecationsToExceptions="true"
+		 colors="true"
 		 timeoutForSmallTests="900"
 		 timeoutForMediumTests="900"
 		 timeoutForLargeTests="900">
@@ -19,4 +20,4 @@
 			</exclude>
 		</whitelist>
 	</filter>
-</phpunit>
\ No newline at end of file
+</phpunit>