diff --git a/composer.json b/composer.json
index b9a49d4..490f0d0 100644
--- a/composer.json
+++ b/composer.json
@@ -108,6 +108,8 @@
         "masterminds/html5": "^2.7.5",
         "phpstan/extension-installer": "*",
         "phpstan/phpstan": "*",
+        "phpstan/phpstan-deprecation-rules": "*",
+        "phpstan/phpstan-phpunit": "*",
         "phpstan/phpstan-doctrine": "*",
         "phpstan/phpstan-symfony": "*",
         "phpunit/phpunit": "^10.5|^11|^12|^13",
diff --git a/phpstan.neon b/phpstan.neon
index 16f44c1..fac13b9 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -3,22 +3,36 @@ parameters:
     paths:
         - src
         - tests
+    # Same ignores in all the process bundles: not all of them match in each bundle
+    reportUnmatchedIgnoredErrors: false
     ignoreErrors:
+        # PHPUnit 13 deprecates expectExceptionMessage() (sebastianbergmann/phpunit#6560), still needed with PHPUnit 11 and 12
+        - message: '#^Call to deprecated method expectExceptionMessage\(\) of class PHPUnit\\Framework\\TestCase#'
+          path: tests/*
+        # Symfony 8.1 deprecates HttpKernel\Bundle\BundleInterface: its replacement does not exist in Symfony 6.4 and 7.4
+        - message: '#typehint with deprecated interface Symfony\\Component\\HttpKernel\\Bundle\\BundleInterface#'
+          path: tests/*
+        # The tests of the deprecated code of the bundles use it
+        - message: '#deprecated .*CleverAge\\#'
+          path: tests/*
+        # Assertions on values already known by PHPStan, kept as regression checks (or values changed by reference)
+        - identifier: staticMethod.alreadyNarrowedType
+          path: tests/*
+        - identifier: method.alreadyNarrowedType
+          path: tests/*
+        - identifier: staticMethod.impossibleType
+          path: tests/*
+        - identifier: method.impossibleType
+          path: tests/*
         # ProcessEvent::isProcessStopped() is only provided by the process bundle version following 5.4 (#220): remove
         # these entries once this version is required
-        -
-            identifier: function.alreadyNarrowedType
-            paths:
-                - src/EventSubscriber/ProcessEventSubscriber.php
-                - tests/EventSubscriber/ProcessEventSubscriberTest.php
-            reportUnmatched: false
-        -
-            identifier: function.impossibleType
-            paths:
-                - src/EventSubscriber/ProcessEventSubscriber.php
-                - tests/EventSubscriber/ProcessEventSubscriberTest.php
-            reportUnmatched: false
-        -
-            identifier: arguments.count
-            path: tests/EventSubscriber/ProcessEventSubscriberTest.php
-            reportUnmatched: false
+        - identifier: function.alreadyNarrowedType
+          paths:
+              - src/EventSubscriber/ProcessEventSubscriber.php
+              - tests/EventSubscriber/ProcessEventSubscriberTest.php
+        - identifier: function.impossibleType
+          paths:
+              - src/EventSubscriber/ProcessEventSubscriber.php
+              - tests/EventSubscriber/ProcessEventSubscriberTest.php
+        - identifier: arguments.count
+          path: tests/EventSubscriber/ProcessEventSubscriberTest.php