Require symfony/yaml

Christoph Singer · Christoph Singer · commit aae0d17ca313 · 2019-01-16T13:17:17.000+01:00
diff --git a/composer.json b/composer.json
@@ -15,6 +15,7 @@
     "require":{
         "php":">=5.4",
         "symfony/framework-bundle":"^2.7|^3|^4",
+        "symfony/yaml": "*",
         "jms/serializer-bundle":"^1.1|^2|^3"
     },
     "require-dev": {
