diff --git a/composer.json b/composer.json
index abae404..553eb1f 100644
--- a/composer.json
+++ b/composer.json
@@ -14,11 +14,11 @@
 	],
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 		"nulib/php": "dev-wip",
+		"symfony/yaml": "^5.0",
 		"php": ">=7.4"
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 	"require-dev": {
 		"nulib/tests": "7.4",
-		"symfony/yaml": "^5.0",
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diff --git a/composer.lock b/composer.lock
index 726412d..53f0cb2 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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@@ -12,7 +12,7 @@
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@@ -41,6 +41,230 @@
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@@ -175,16 +399,16 @@
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                 "url": "https://github.com/nikic/PHP-Parser.git",
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@@ -225,9 +449,9 @@
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@@ -1758,230 +1982,6 @@
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