update deps

composer.json

@@ -12,8 +12,8 @@
         "fzaninotto/faker": "~1.4",
         "mockery/mockery": "0.9.*",
         "phpunit/phpunit": "~5.0",
-        "symfony/css-selector": "3.2.*",
-        "symfony/dom-crawler": "3.2.*"
+        "symfony/css-selector": "~3.2",
+        "symfony/dom-crawler": "~3.2"
     },
     "autoload": {
         "classmap": [