diff --git a/composer.lock b/composer.lock
index 31543e65c..7d13dd1c8 100644
--- a/composer.lock
+++ b/composer.lock
@@ -494,16 +494,16 @@
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+            "version": "v1.1.0",
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-                "reference": "49ff736bd5d41f45240cec77b44967d76e0c3d25",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/1289d16209491b584839022f29257ad859b8532d",
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@@ -515,7 +515,7 @@
             "type": "library",
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+                    "dev-master": "1.1-dev"
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@@ -549,7 +549,7 @@
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-            "time": "2015-11-20 09:19:13"
+            "time": "2016-01-20 09:13:37"
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@@ -707,22 +707,24 @@
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+            "version": "v1.6.0",
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-                "reference": "4745ded9307786b730d7a60df5cb5a6c43cf95f7",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/3c91bdf81797d725b14cb62906f9a4ce44235972",
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             "require": {
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+                "php": "^5.3|^7.0",
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-                "sebastian/comparator": "~1.1"
+                "sebastian/comparator": "~1.1",
+                "sebastian/recursion-context": "~1.0"
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@@ -730,7 +732,7 @@
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+                    "dev-master": "1.5.x-dev"
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@@ -763,7 +765,7 @@
                 "spy",
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-            "time": "2015-08-13 10:07:40"
+            "time": "2016-02-15 07:46:21"
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@@ -1007,16 +1009,16 @@
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-            "version": "4.8.21",
+            "version": "4.8.23",
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                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "ea76b17bced0500a28098626b84eda12dbcf119c"
+                "reference": "6e351261f9cd33daf205a131a1ba61c6d33bd483"
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-                "reference": "ea76b17bced0500a28098626b84eda12dbcf119c",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/6e351261f9cd33daf205a131a1ba61c6d33bd483",
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@@ -1075,7 +1077,7 @@
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-            "time": "2015-12-12 07:45:58"
+            "time": "2016-02-11 14:56:33"
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             "name": "phpunit/phpunit-mock-objects",