diff --git a/composer.json b/composer.json
index df5ed00..944e58b 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,9 @@
 {
     "require": {
-        "silex/silex": "~1.1"
+        "silex/silex": "~1.1",
+        "atoum/atoum" : "dev-master"
+    },
+    "autoload": {
+        "psr-0": { "Poche": "src/" }
     }
 }