diff --git a/phpunit.baseline.xml b/phpunit.baseline.xml
new file mode 100644
index 0000000..f33abb6
--- /dev/null
+++ b/phpunit.baseline.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0"?>
+<files version="1"/>
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index d280272..d73ce6e 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.5/phpunit.xsd" backupGlobals="false" bootstrap="vendor/autoload.php" failOnWarning="true" colors="true" cacheDirectory=".phpunit.cache" backupStaticProperties="false">
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.5/phpunit.xsd" backupGlobals="false" bootstrap="vendor/autoload.php" failOnWarning="true" failOnNotice="true" colors="true" cacheDirectory=".phpunit.cache" backupStaticProperties="false" failOnDeprecation="true" displayDetailsOnTestsThatTriggerDeprecations="true">
   <testsuites>
     <testsuite name="bundle">
       <directory>tests/bundle</directory>
@@ -11,4 +11,9 @@
       <directory>tests/lib</directory>
     </testsuite>
   </testsuites>
+  <source baseline="phpunit.baseline.xml" ignoreIndirectDeprecations="false" ignoreSuppressionOfDeprecations="true">
+    <include>
+      <directory>src</directory>
+    </include>
+  </source>
 </phpunit>