diff --git a/composer.json b/composer.json
index fae0fa2..560d73c 100644
--- a/composer.json
+++ b/composer.json
@@ -25,14 +25,14 @@
         "source": "https://central.hoa-project.net/Resource/Library/Mail"
     },
     "require": {
-        "php"            : ">=5.5.0",
-        "hoa/consistency": "~1.0",
-        "hoa/exception"  : "~1.0",
-        "hoa/mime"       : "~3.0",
-        "hoa/socket"     : "~1.0"
+        "php"             : ">=5.5.0",
+        "hoa/consistency" : "~1.0",
+        "hoa/exception"   : "~1.0",
+        "hoa/mime"        : "~3.0",
+        "hoa/file"        : "~1.0",
+        "hoa/socket"      : "~1.0"
     },
     "require-dev": {
-        "hoa/file": "~1.0",
         "hoa/test": "~2.0"
     },
     "autoload": {