diff --git a/composer.json b/composer.json
index 5a8155bd..6d150980 100644
--- a/composer.json
+++ b/composer.json
@@ -44,7 +44,7 @@
         "phpstan/extension-installer": "^1.1",
         "phpstan/phpstan": "^0.12.92",
         "phpstan/phpstan-phpunit": "^0.12.21",
-        "phpunit/phpunit": "^9.5.6",
+        "phpunit/phpunit": "^9.5.10",
         "symfony/var-dumper": "^5.3.3"
     },
     "suggest": {
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 280eded5..739a5daa 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -3,6 +3,7 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
     beStrictAboutOutputDuringTests="true"
+    convertDeprecationsToExceptions="true"
     colors="true"
 >