diff --git a/composer.json b/composer.json
index 2465af9..cde7039 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
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     "clue/block-react": "^1.1",
     "friendsofphp/php-cs-fixer": "^2.5",
-    "infection/infection": "^0.8.2",
+    "infection/infection": "^0.9.1",
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diff --git a/composer.lock b/composer.lock
index bdca115..cfee886 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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+    "content-hash": "d742b52ca7f2fcebdc068a060483785c",
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             "name": "clue/block-react",
@@ -175,6 +175,50 @@
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+                "reference": "c919dc6c62e221fc6406f861ea13433c0aa24f08",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.2 || ^7.0",
+                "psr/log": "^1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Composer\\XdebugHandler\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "John Stevenson",
+                    "email": "john-stevenson@blueyonder.co.uk"
+                }
+            ],
+            "description": "Restarts a process without xdebug.",
+            "keywords": [
+                "Xdebug",
+                "performance"
+            ],
+            "time": "2018-04-11T15:42:36+00:00"
+        },
         {
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             "version": "v1.6.0",
@@ -447,20 +491,23 @@
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-            "version": "0.8.2",
+            "version": "0.9.1",
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                 "url": "https://github.com/infection/infection.git",
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-                "reference": "4a4fdb4fc39987dfda247213b5d6a687abf3304c",
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@@ -475,8 +522,8 @@
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-                "phpunit/phpunit": "^6.1"
+                "mockery/mockery": "^1.1",
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@@ -496,6 +543,24 @@
                     "name": "Maks Rafalko",
                     "email": "maks.rafalko@gmail.com",
                     "homepage": "https://twitter.com/maks_rafalko"
+                },
+                {
+                    "name": "Gert de Pagter",
+                    "homepage": "https://github.com/BackEndTea"
+                },
+                {
+                    "name": "Théo FIDRY",
+                    "email": "theo.fidry@gmail.com",
+                    "homepage": "https://twitter.com/tfidry"
+                },
+                {
+                    "name": "Oleg Zhulnev",
+                    "homepage": "https://github.com/sidz"
+                },
+                {
+                    "name": "Alexey Kopytko",
+                    "email": "alexey@kopytko.com",
+                    "homepage": "https://www.alexeykopytko.com"
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             "description": "Infection is a Mutation Testing framework for PHP. The mutation adequacy score can be used to measure the effectiveness of a test set in terms of its ability to detect faults.",
@@ -507,7 +572,7 @@
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@@ -913,24 +978,24 @@
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@@ -938,7 +1003,7 @@
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@@ -960,7 +1025,56 @@
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-            "time": "2018-02-28T20:30:58+00:00"
+            "time": "2018-07-15T17:25:16+00:00"
+        },
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+                "url": "https://github.com/Ocramius/PackageVersions.git",
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
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+                    "email": "ocramius@gmail.com"
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@@ -1931,6 +2045,53 @@
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+            "autoload": {
+                "psr-4": {
+                    "Psr\\Log\\": "Psr/Log/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
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+            "authors": [
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+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for logging libraries",
+            "homepage": "https://github.com/php-fig/log",
+            "keywords": [
+                "log",
+                "psr",
+                "psr-3"
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+            "time": "2016-10-10T12:19:37+00:00"
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@@ -2636,16 +2797,16 @@
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@@ -2673,7 +2834,7 @@
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@@ -2700,7 +2861,7 @@
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-            "time": "2018-05-16T09:05:32+00:00"
+            "time": "2018-07-16T14:05:40+00:00"
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@@ -2767,16 +2928,16 @@
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-            "version": "v4.0.10",
+            "version": "v4.1.2",
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@@ -2786,7 +2947,7 @@
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@@ -2813,20 +2974,20 @@
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@@ -2862,7 +3023,7 @@
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@@ -3148,16 +3309,16 @@
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@@ -3193,7 +3354,7 @@
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@@ -3246,16 +3407,16 @@
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@@ -3301,7 +3462,7 @@
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