diff --git a/composer.json b/composer.json
index 7a1e214..75dd6bf 100644
--- a/composer.json
+++ b/composer.json
@@ -24,9 +24,12 @@
         "hoa/core"    : "~2.0",
         "ext-iconv"   : "*"
     },
-    "target-dir": "Hoa/String",
-    "autoload"  : { "psr-0": { "Hoa\\String": "." } },
-    "suggest"   : {
+    "autoload": {
+        "psr-4": {
+            "Hoa\\String\\": "."
+        }
+    },
+    "suggest": {
         "ext-intl": "To get a better Hoa\\String::toAscii() and Hoa\\String::compareTo()."
     },
     "extra"     : {