diff --git a/composer.json b/composer.json
index 2c2fd91..1a941a3 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
     "require": {
         "php": ">=5.4.0",
         "symfony/twig-bundle": "~2.3|~3.0",
-        "symfony/framework-bundle": "3.1.7",
+        "symfony/framework-bundle": "~3.1.7",
         "symfony/monolog-bundle": "~3.0",
         "paragonie/random_compat": "^2.0"
     },
@@ -33,7 +33,7 @@
     },
     "target-dir": "Hoya/MasterpassBundle",
     "autoload": {
-        "psr-4": {
+        "psr-0": {
             "Hoya\\MasterpassBundle": ""
         }
     }