diff --git a/composer.json b/composer.json
index 8fb77f5..c9f2ed5 100644
--- a/composer.json
+++ b/composer.json
@@ -18,9 +18,9 @@
 		"nulib/php": "*"
 	},
 	"require": {
-		"symfony/yaml": "^5.0",
-		"phpmailer/phpmailer": "^6.8",
+		"symfony/yaml": "^5.4",
 		"symfony/expression-language": "^5.4",
+		"phpmailer/phpmailer": "^6.8",
 		"league/commonmark": "^2.7",
 		"ext-json": "*",
 		"php": "^7.4"