diff --git a/phpunit.xml b/phpunit.xml
index 85d8f420..5ee6d840 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -5,6 +5,10 @@
          cacheDirectory=".phpunit.cache"
          executionOrder="depends,defects"
          beStrictAboutOutputDuringTests="true"
+         displayDetailsOnPhpunitDeprecations="true"
+         failOnPhpunitDeprecation="true"
+         failOnRisky="true"
+         failOnWarning="true"
          colors="true">
     <testsuites>
         <testsuite name="default">
@@ -12,7 +16,7 @@
         </testsuite>
     </testsuites>
 
-    <source>
+    <source restrictDeprecations="true" restrictNotices="true" restrictWarnings="true">
         <include>
             <directory>src</directory>
         </include>