diff --git a/core/composer.json b/core/composer.json
index 4c2e76f..d2bc68e 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -23,7 +23,7 @@
     "guzzlehttp/guzzle": "~5.0",
     "symfony-cmf/routing": "1.3.*",
     "easyrdf/easyrdf": "0.9.*",
-    "phpunit/phpunit": "4.1.*",
+    "phpunit/phpunit": "4.2.*",
     "phpunit/phpunit-mock-objects": "dev-master#e60bb929c50ae4237aaf680a4f6773f4ee17f0a2",
     "zendframework/zend-feed": "2.3.*",
     "mikey179/vfsStream": "1.*",
diff --git a/core/composer.lock b/core/composer.lock
index fe5dc0a..06ed64e 100644
--- a/core/composer.lock
+++ b/core/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "461047a83f0f5554064bfe97e2a673fb",
+    "hash": "8b62d79c036e69bfda8e20190ed3ad9c",
     "packages": [
         {
             "name": "doctrine/annotations",
@@ -1015,16 +1015,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "4.1.4",
+            "version": "4.2.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "a71c4842c5fb836d8b200624583b859ec34e8a26"
+                "reference": "c28a790620fe30b049bb693be1ef9cd4e0fe906c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/a71c4842c5fb836d8b200624583b859ec34e8a26",
-                "reference": "a71c4842c5fb836d8b200624583b859ec34e8a26",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/c28a790620fe30b049bb693be1ef9cd4e0fe906c",
+                "reference": "c28a790620fe30b049bb693be1ef9cd4e0fe906c",
                 "shasum": ""
             },
             "require": {
@@ -1038,7 +1038,7 @@
                 "phpunit/php-file-iterator": "~1.3.1",
                 "phpunit/php-text-template": "~1.2",
                 "phpunit/php-timer": "~1.0.2",
-                "phpunit/phpunit-mock-objects": "~2.1",
+                "phpunit/phpunit-mock-objects": "~2.2",
                 "sebastian/comparator": "~1.0",
                 "sebastian/diff": "~1.1",
                 "sebastian/environment": "~1.0",
@@ -1055,7 +1055,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.1.x-dev"
+                    "dev-master": "4.2.x-dev"
                 }
             },
             "autoload": {
@@ -1085,7 +1085,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2014-07-18 07:15:58"
+            "time": "2014-09-14 09:31:24"
         },
         {
             "name": "phpunit/phpunit-mock-objects",