diff --git a/composer.json b/composer.json
index 5f86266..4519af4 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
       }
     ],
     "require": {
-        "symfony/yaml": "^3.3"
+        "symfony/yaml": "^3.4"
     },
     "autoload": {
         "psr-4": {"Amazee\\LaragoonSupport\\": "src/"}