diff --git a/composer.lock b/composer.lock
index 2a48f27ea..b009cdceb 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1711,16 +1711,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "5.7.26",
+            "version": "5.7.27",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "7fbc25c13309de0c4c9bb48b7361f1eca34c7fbd"
+                "reference": "b7803aeca3ccb99ad0a506fa80b64cd6a56bbc0c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/7fbc25c13309de0c4c9bb48b7361f1eca34c7fbd",
-                "reference": "7fbc25c13309de0c4c9bb48b7361f1eca34c7fbd",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/b7803aeca3ccb99ad0a506fa80b64cd6a56bbc0c",
+                "reference": "b7803aeca3ccb99ad0a506fa80b64cd6a56bbc0c",
                 "shasum": ""
             },
             "require": {
@@ -1744,7 +1744,7 @@
                 "sebastian/global-state": "^1.1",
                 "sebastian/object-enumerator": "~2.0",
                 "sebastian/resource-operations": "~1.0",
-                "sebastian/version": "~1.0.3|~2.0",
+                "sebastian/version": "^1.0.6|^2.0.1",
                 "symfony/yaml": "~2.1|~3.0|~4.0"
             },
             "conflict": {
@@ -1789,7 +1789,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-12-17T06:14:38+00:00"
+            "time": "2018-02-01T05:50:59+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",