diff --git a/composer.json b/composer.json
index 7329d192e..3019af8f2 100644
--- a/composer.json
+++ b/composer.json
@@ -43,7 +43,7 @@
         "symfony/uid": "^7.1",
         "symfony/var-dumper": "^7.1",
         "symfony/var-exporter": "^7.1",
-        "symfony/yaml": "^7.3",
+        "symfony/yaml": "^7.3|^8.0",
         "tempest/highlight": "^2.11.4",
         "vlucas/phpdotenv": "^5.6.1",
         "voku/portable-ascii": "^2.0.3"
diff --git a/packages/intl/composer.json b/packages/intl/composer.json
index a4524202e..bb6da45fb 100644
--- a/packages/intl/composer.json
+++ b/packages/intl/composer.json
@@ -6,7 +6,7 @@
     "require": {
         "php": "^8.5",
         "doctrine/inflector": "^2.0",
-        "symfony/yaml": "^7.3",
+        "symfony/yaml": "^7.3|^8.0",
         "tempest/core": "3.x-dev",
         "tempest/container": "3.x-dev",
         "tempest/support": "3.x-dev",