diff --git a/composer.json b/composer.json
index 80f5477b..63c3a2c6 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
         "silverstripe/framework": "^6",
         "silverstripe/admin": "^3",
         "silverstripe/versioned": "^3",
-        "symfony/yaml": "^6"
+        "symfony/yaml": "^7.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6",