diff --git a/composer.lock b/composer.lock
index bd6af6a..5dda001 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1796,16 +1796,16 @@
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-                "reference": "033ec97498cf530cc1be4199264cad568b19be26",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/661f34d0bd3f1a7225ef491a70a020ad23a057a1",
+                "reference": "661f34d0bd3f1a7225ef491a70a020ad23a057a1",
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@@ -1821,7 +1821,6 @@
                 "theseer/tokenizer": "^1.1"
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@@ -1830,7 +1829,7 @@
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-                    "dev-master": "5.2.x-dev"
+                    "dev-master": "5.3.x-dev"
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@@ -1845,7 +1844,7 @@
             "authors": [
                 {
                     "name": "Sebastian Bergmann",
-                    "email": "sb@sebastian-bergmann.de",
+                    "email": "sebastian@phpunit.de",
                     "role": "lead"
                 }
             ],
@@ -1856,7 +1855,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-11-27T09:00:30+00:00"
+            "time": "2017-12-06T09:29:45+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -2005,16 +2004,16 @@
         },
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+            "version": "6.5.3",
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                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "24b708f2fd725bcef1c8153b366043381aa324f2"
+                "reference": "882e886cc928a0abd3c61282b2a64026237d14a4"
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                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/24b708f2fd725bcef1c8153b366043381aa324f2",
-                "reference": "24b708f2fd725bcef1c8153b366043381aa324f2",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/882e886cc928a0abd3c61282b2a64026237d14a4",
+                "reference": "882e886cc928a0abd3c61282b2a64026237d14a4",
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             "require": {
@@ -2028,7 +2027,7 @@
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                 "php": "^7.0",
                 "phpspec/prophecy": "^1.7",
-                "phpunit/php-code-coverage": "^5.2.3",
+                "phpunit/php-code-coverage": "^5.3",
                 "phpunit/php-file-iterator": "^1.4.3",
                 "phpunit/php-text-template": "^1.2.1",
                 "phpunit/php-timer": "^1.0.9",
@@ -2085,7 +2084,7 @@
                 "testing",
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-            "time": "2017-12-02T05:36:24+00:00"
+            "time": "2017-12-06T09:42:03+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",