diff --git a/composer.json b/composer.json
index ccacd17..1cf7458 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
   ],
   "require": {
     "php": "^5.5|^7.0",
-    "cocur/slugify": "^2.4",
+    "cocur/slugify": "v2.5",
     "dflydev/dot-access-data": "^1.1",
     "erusev/parsedown-extra": "^0.7",
     "matthiasmullie/minify": "^1.3",
diff --git a/composer.lock b/composer.lock
index 30fb28b..cb3cba7 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "3b456e5c8ed5cd0ac0318bb70b0e7368",
+    "content-hash": "caa715031cfcec5dea3b5e96b0bc4722",
     "packages": [
         {
             "name": "cocur/slugify",
-            "version": "v2.4",
+            "version": "v2.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/cocur/slugify.git",
-                "reference": "f11f22d4e60c408187c3efd8ac201c022a93cc3f"
+                "reference": "e8167e9a3236044afebd6e8ab13ebeb3ec9ca145"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/cocur/slugify/zipball/f11f22d4e60c408187c3efd8ac201c022a93cc3f",
-                "reference": "f11f22d4e60c408187c3efd8ac201c022a93cc3f",
+                "url": "https://api.github.com/repos/cocur/slugify/zipball/e8167e9a3236044afebd6e8ab13ebeb3ec9ca145",
+                "reference": "e8167e9a3236044afebd6e8ab13ebeb3ec9ca145",
                 "shasum": ""
             },
             "require": {
@@ -37,7 +37,7 @@
                 "symfony/config": "~2.4|~3.0",
                 "symfony/dependency-injection": "~2.4|~3.0",
                 "symfony/http-kernel": "~2.4|~3.0",
-                "twig/twig": "~1.12",
+                "twig/twig": "~1.26|~2.0",
                 "zendframework/zend-modulemanager": "~2.2",
                 "zendframework/zend-servicemanager": "~2.2",
                 "zendframework/zend-view": "~2.2"
@@ -68,7 +68,7 @@
                 "slug",
                 "slugify"
             ],
-            "time": "2017-02-09T19:27:52+00:00"
+            "time": "2017-03-23T21:52:55+00:00"
         },
         {
             "name": "dflydev/dot-access-data",
@@ -1761,13 +1761,13 @@
             "version": "dev-master",
             "source": {
                 "type": "git",
-                "url": "https://github.com/satooshi/php-coveralls.git",
-                "reference": "d5124af8bd6464144d550906cce46bd0df78f428"
+                "url": "https://github.com/php-coveralls/php-coveralls.git",
+                "reference": "aa9b714d2c41f0ae4ba0a880311d338fa653d733"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/satooshi/php-coveralls/zipball/d5124af8bd6464144d550906cce46bd0df78f428",
-                "reference": "d5124af8bd6464144d550906cce46bd0df78f428",
+                "url": "https://api.github.com/repos/php-coveralls/php-coveralls/zipball/aa9b714d2c41f0ae4ba0a880311d338fa653d733",
+                "reference": "aa9b714d2c41f0ae4ba0a880311d338fa653d733",
                 "shasum": ""
             },
             "require": {
@@ -1781,6 +1781,9 @@
                 "symfony/stopwatch": "^2.0 || ^3.0",
                 "symfony/yaml": "^2.0 || ^3.0"
             },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.4.3"
+            },
             "suggest": {
                 "symfony/http-kernel": "Allows Symfony integration"
             },
@@ -1795,7 +1798,7 @@
             },
             "autoload": {
                 "psr-4": {
-                    "Satooshi\\": "src/Satooshi/"
+                    "PhpCoveralls\\": "src/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -1806,18 +1809,35 @@
                 {
                     "name": "Kitamura Satoshi",
                     "email": "with.no.parachute@gmail.com",
-                    "homepage": "https://www.facebook.com/satooshi.jp"
+                    "homepage": "https://www.facebook.com/satooshi.jp",
+                    "role": "Original creator"
+                },
+                {
+                    "name": "Takashi Matsuo",
+                    "email": "tmatsuo@google.com"
+                },
+                {
+                    "name": "Google Inc"
+                },
+                {
+                    "name": "Dariusz Ruminski",
+                    "email": "dariusz.ruminski@gmail.com",
+                    "homepage": "https://github.com/keradus"
+                },
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/php-coveralls/php-coveralls/graphs/contributors"
                 }
             ],
             "description": "PHP client library for Coveralls API",
-            "homepage": "https://github.com/satooshi/php-coveralls",
+            "homepage": "https://github.com/php-coveralls/php-coveralls",
             "keywords": [
                 "ci",
                 "coverage",
                 "github",
                 "test"
             ],
-            "time": "2017-02-25 12:14:18"
+            "time": "2017-09-02T14:46:54+00:00"
         },
         {
             "name": "sebastian/comparator",