diff -u b/composer.lock b/composer.lock
--- b/composer.lock
+++ b/composer.lock
@@ -1049,16 +1049,16 @@
         },
         {
             "name": "stack/builder",
-            "version": "dev-master",
+            "version": "v1.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/stackphp/builder.git",
-                "reference": "6f40fdee35a0b7a5cfb616daececb415d4c1f75f"
+                "reference": "59fcc9b448a8ce5e338a04c4e2e4aca893e83425"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/stackphp/builder/zipball/6f40fdee35a0b7a5cfb616daececb415d4c1f75f",
-                "reference": "6f40fdee35a0b7a5cfb616daececb415d4c1f75f",
+                "url": "https://api.github.com/repos/stackphp/builder/zipball/59fcc9b448a8ce5e338a04c4e2e4aca893e83425",
+                "reference": "59fcc9b448a8ce5e338a04c4e2e4aca893e83425",
                 "shasum": ""
             },
             "require": {
@@ -1094,7 +1094,7 @@
             "keywords": [
                 "stack"
             ],
-            "time": "2016-01-24 16:24:27"
+            "time": "2016-06-02 06:58:42"
         },
         {
             "name": "symfony-cmf/routing",
diff -u b/core/composer.json b/core/composer.json
--- b/core/composer.json
+++ b/core/composer.json
@@ -25,7 +25,7 @@
         "symfony-cmf/routing": "~1.4",
         "easyrdf/easyrdf": "0.9.*",
         "zendframework/zend-feed": "~2.4",
-        "stack/builder": "dev-master",
+        "stack/builder": "1.0.*",
         "egulias/email-validator": "1.2.*",
         "masterminds/html5": "~2.1",
         "symfony/psr-http-message-bridge": "v0.2",