diff --git a/composer.lock b/composer.lock
index 5f68a81..ee6f651 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,7 +1,7 @@
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-                "php": ">=5.3.3"
+                "php": "^5.3.3 || ^7.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.8"
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.0"
             },
             "type": "library",
             "extra": {
@@ -2893,7 +2898,7 @@
             "keywords": [
                 "diff"
             ],
-            "time": "2015-12-08 07:14:41"
+            "time": "2017-05-22T07:24:03+00:00"
         },
         {
             "name": "sebastian/environment",
@@ -2943,7 +2948,7 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2016-08-18 05:49:44"
+            "time": "2016-08-18T05:49:44+00:00"
         },
         {
             "name": "sebastian/exporter",
@@ -3010,7 +3015,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2016-06-17 09:04:28"
+            "time": "2016-06-17T09:04:28+00:00"
         },
         {
             "name": "sebastian/global-state",
@@ -3061,20 +3066,20 @@
             "keywords": [
                 "global state"
             ],
-            "time": "2015-10-12 03:26:01"
+            "time": "2015-10-12T03:26:01+00:00"
         },
         {
             "name": "sebastian/recursion-context",
-            "version": "1.0.2",
+            "version": "1.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/recursion-context.git",
-                "reference": "913401df809e99e4f47b27cdd781f4a258d58791"
+                "reference": "b19cc3298482a335a95f3016d2f8a6950f0fbcd7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/913401df809e99e4f47b27cdd781f4a258d58791",
-                "reference": "913401df809e99e4f47b27cdd781f4a258d58791",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/b19cc3298482a335a95f3016d2f8a6950f0fbcd7",
+                "reference": "b19cc3298482a335a95f3016d2f8a6950f0fbcd7",
                 "shasum": ""
             },
             "require": {
@@ -3114,7 +3119,7 @@
             ],
             "description": "Provides functionality to recursively process PHP variables",
             "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2015-11-11 19:50:13"
+            "time": "2016-10-03T07:41:43+00:00"
         },
         {
             "name": "sebastian/version",
@@ -3149,7 +3154,7 @@
             ],
             "description": "Library that helps with managing the version number of Git-hosted PHP projects",
             "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2015-06-21 13:59:46"
+            "time": "2015-06-21T13:59:46+00:00"
         },
         {
             "name": "sensio/generator-bundle",
@@ -3201,7 +3206,7 @@
                 }
             ],
             "description": "This bundle generates code for you",
-            "time": "2016-10-10 14:17:42"
+            "time": "2016-10-10T14:17:42+00:00"
         },
         {
             "name": "symfony/phpunit-bridge",
@@ -3256,7 +3261,7 @@
             ],
             "description": "Symfony PHPUnit Bridge",
             "homepage": "https://symfony.com",
-            "time": "2016-08-19 06:48:01"
+            "time": "2016-08-19T06:48:01+00:00"
         }
     ],
     "aliases": [],