diff --git a/composer.lock b/composer.lock
index 5d2f04b..3916141 100644
--- a/composer.lock
+++ b/composer.lock
@@ -876,16 +876,16 @@
         },
         {
             "name": "symfony/process",
-            "version": "v3.2.7",
+            "version": "v3.2.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "57fdaa55827ae14d617550ebe71a820f0a5e2282"
+                "reference": "999c2cf5061e627e6cd551dc9ebf90dd1d11d9f0"
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             "dist": {
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-                "url": "https://api.github.com/repos/symfony/process/zipball/57fdaa55827ae14d617550ebe71a820f0a5e2282",
-                "reference": "57fdaa55827ae14d617550ebe71a820f0a5e2282",
+                "url": "https://api.github.com/repos/symfony/process/zipball/999c2cf5061e627e6cd551dc9ebf90dd1d11d9f0",
+                "reference": "999c2cf5061e627e6cd551dc9ebf90dd1d11d9f0",
                 "shasum": ""
             },
             "require": {
@@ -921,20 +921,20 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2017-03-27T18:07:02+00:00"
+            "time": "2017-04-12T14:13:17+00:00"
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.2.7",
+            "version": "v3.2.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "62b4cdb99d52cb1ff253c465eb1532a80cebb621"
+                "reference": "acec26fcf7f3031e094e910b94b002fa53d4e4d6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/62b4cdb99d52cb1ff253c465eb1532a80cebb621",
-                "reference": "62b4cdb99d52cb1ff253c465eb1532a80cebb621",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/acec26fcf7f3031e094e910b94b002fa53d4e4d6",
+                "reference": "acec26fcf7f3031e094e910b94b002fa53d4e4d6",
                 "shasum": ""
             },
             "require": {
@@ -976,7 +976,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2017-03-20T09:45:15+00:00"
+            "time": "2017-05-01T14:55:58+00:00"
         }
     ],
     "packages-dev": [
@@ -2396,16 +2396,16 @@
         },
         {
             "name": "symfony/var-dumper",
-            "version": "v3.2.7",
+            "version": "v3.2.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "81dce20f69a8b40427e1f4e6462178df87cafc03"
+                "reference": "fa47963ac7979ddbd42b2d646d1b056bddbf7bb8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/81dce20f69a8b40427e1f4e6462178df87cafc03",
-                "reference": "81dce20f69a8b40427e1f4e6462178df87cafc03",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/fa47963ac7979ddbd42b2d646d1b056bddbf7bb8",
+                "reference": "fa47963ac7979ddbd42b2d646d1b056bddbf7bb8",
                 "shasum": ""
             },
             "require": {
@@ -2416,9 +2416,11 @@
                 "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0"
             },
             "require-dev": {
+                "ext-iconv": "*",
                 "twig/twig": "~1.20|~2.0"
             },
             "suggest": {
+                "ext-iconv": "To convert non-UTF-8 strings to UTF-8 (or symfony/polyfill-iconv in case ext-iconv cannot be used).",
                 "ext-symfony_debug": ""
             },
             "type": "library",
@@ -2458,7 +2460,7 @@
                 "debug",
                 "dump"
             ],
-            "time": "2017-03-12T16:07:05+00:00"
+            "time": "2017-05-01T14:55:58+00:00"
         },
         {
             "name": "webmozart/assert",