Fix regression with jQuery version

composer.json

@@ -29,7 +29,7 @@
         "sensio/generator-bundle": "~2.2",
         "twig/twig": "~1.12",
         "twig/extensions": "~1.0",
-        "sonata-project/jquery-bundle": "~1.8",
+        "sonata-project/jquery-bundle": "1.8.*",
         "sonata-project/exporter": "~1.0",
         "sonata-project/block-bundle": "~2.2,>=2.2.7",
         "sonata-project/core-bundle": "~2.2",
@@ -54,4 +54,4 @@
             "dev-master": "2.2.x-dev"
         }
     }
-}
+}