diff --git a/composer.json b/composer.json
index 49b2be4..a31330a 100644
--- a/composer.json
+++ b/composer.json
@@ -23,9 +23,9 @@
 	},
 	"require-dev": {
 		"consistence-community/coding-standard": "3.11.1",
-		"php-parallel-lint/php-parallel-lint": "1.2.0",
-		"php-coveralls/php-coveralls": "2.4.1",
-		"phpunit/phpunit": "9.5.0"
+		"php-parallel-lint/php-parallel-lint": "1.3.1",
+		"php-coveralls/php-coveralls": "2.4.3",
+		"phpunit/phpunit": "9.5.10"
 	},
 	"autoload": {
 		"psr-4": { "Mhujer\\JmsSerializer\\": [ "src" ] },