Allow Symfony 5

composer.json

@@ -21,10 +21,10 @@
 		"php": "~7.2",
 		"jms/serializer-bundle": "~3.0",
 		"mhujer/jms-serializer-uuid": "~3.0",
-		"symfony/config": "~3.0 || ~4.0",
-		"symfony/dependency-injection": "~3.0 || ~4.0",
-		"symfony/http-kernel": "~3.0 || ~4.0",
-		"symfony/yaml": "~3.0 || ~4.0"
+		"symfony/config": "~3.0 || ~4.0 || ~5.0",
+		"symfony/dependency-injection": "~3.0 || ~4.0 || ~5.0",
+		"symfony/http-kernel": "~3.0 || ~4.0 || ~5.0",
+		"symfony/yaml": "~3.0 || ~4.0 || ~5.0"
 	},
 	"require-dev": {
 		"consistence/coding-standard": "3.5",