sonata-project/core-bundle ^2.3.9

See: https://github.com/sonata-project/SonataCoreBundle/pull/189

composer.json

@@ -34,7 +34,7 @@
         "twig/extensions": "~1.0",
         "sonata-project/exporter": "~1.0",
         "sonata-project/block-bundle": "^2.3.8",
-        "sonata-project/core-bundle": "^2.3.6",
+        "sonata-project/core-bundle": "^2.3.9",
         "doctrine/common": "~2.2",
         "doctrine/inflector": "~1.0",
         "knplabs/knp-menu-bundle": ">=2.0,<3.0.0",