Fix PHP version

hlecorche · hlecorche · commit cd257b0b8f62 · 2015-12-10T18:36:13.000+01:00
diff --git a/composer.json b/composer.json
@@ -10,6 +10,7 @@
         }
     ],
     "require": {
+        "php": ">=5.5.9",
         "symfony/framework-bundle": "~2.8|~3.0",
         "twig/twig": "*",
         "doctrine/orm": "*",
