mark the current version only compatible with BlockBundle 2.2.0

composer.json

@@ -29,7 +29,7 @@
         "knplabs/knp-menu-bundle": "~1.1",
         "sonata-project/jquery-bundle": "1.8.*",
         "sonata-project/exporter": "1.*",
-        "sonata-project/block-bundle": "2.2.*@dev",
+        "sonata-project/block-bundle": "2.2.0",
         "doctrine/common": ">=2.2,<3.0"
     },
     "require-dev": {