diff --git a/composer.lock b/composer.lock
index b7ef12f..832979f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3544,16 +3544,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "4.8.11",
+            "version": "4.8.27",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "bdd199472410fd7e32751f9c814c7e06f2c21bd5"
+                "reference": "c062dddcb68e44b563f66ee319ddae2b5a322a90"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/bdd199472410fd7e32751f9c814c7e06f2c21bd5",
-                "reference": "bdd199472410fd7e32751f9c814c7e06f2c21bd5",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/c062dddcb68e44b563f66ee319ddae2b5a322a90",
+                "reference": "c062dddcb68e44b563f66ee319ddae2b5a322a90",
                 "shasum": ""
             },
             "require": {
@@ -3567,7 +3567,7 @@
                 "phpunit/php-code-coverage": "~2.1",
                 "phpunit/php-file-iterator": "~1.4",
                 "phpunit/php-text-template": "~1.2",
-                "phpunit/php-timer": ">=1.0.6",
+                "phpunit/php-timer": "^1.0.6",
                 "phpunit/phpunit-mock-objects": "~2.3",
                 "sebastian/comparator": "~1.1",
                 "sebastian/diff": "~1.2",
@@ -3612,7 +3612,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2015-10-07 10:39:46"
+            "time": "2016-07-21 06:48:14"
         },
         {
             "name": "phpunit/phpunit-mock-objects",