Update composer.json

Author: barryvdh

composer.json

@@ -14,7 +14,7 @@
         "illuminate/support": "5.0.x|5.1.x|5.2.x",
         "illuminate/console": "5.0.x|5.1.x|5.2.x",
         "illuminate/filesystem": "5.0.x|5.1.x|5.2.x",
-        "phpdocumentor/reflection-docblock": "2.0.4",
+        "phpdocumentor/reflection-docblock": "^2.0.4",
         "symfony/class-loader": "~2.3|~3.0"
     },
     "require-dev": {