diff --git a/composer.json b/composer.json
index 5358f1bb2..c6fa6841a 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
 		"chillerlan/php-settings-container": "^2.1.4"
 	},
 	"require-dev": {
-		"phpunit/phpunit": "^9.5",
+		"phpunit/phpunit": "^9.6",
 		"phan/phan": "^5.4",
 		"setasign/fpdf": "^1.8.2"
 	},