diff --git a/composer.lock b/composer.lock
index fbb96a2..6fa2074 100644
--- a/composer.lock
+++ b/composer.lock
@@ -399,16 +399,16 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.0.0",
+            "version": "v3.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "177a015cb0e19ff4a49e0e2e2c5fc1c1bee07002"
+                "reference": "3df409958a646dad2bc5046c3fb671ee24a1a691"
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-                "url": "https://api.github.com/repos/symfony/yaml/zipball/177a015cb0e19ff4a49e0e2e2c5fc1c1bee07002",
-                "reference": "177a015cb0e19ff4a49e0e2e2c5fc1c1bee07002",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/3df409958a646dad2bc5046c3fb671ee24a1a691",
+                "reference": "3df409958a646dad2bc5046c3fb671ee24a1a691",
                 "shasum": ""
             },
             "require": {
@@ -444,27 +444,30 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2015-11-30 12:36:17"
+            "time": "2015-12-26 13:39:53"
         }
     ],
     "packages-dev": [
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.0.0",
+            "version": "v1.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "0b6a8940385311a24e060ec1fe35680e17c74497"
+                "reference": "49ff736bd5d41f45240cec77b44967d76e0c3d25"
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             "dist": {
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-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/0b6a8940385311a24e060ec1fe35680e17c74497",
-                "reference": "0b6a8940385311a24e060ec1fe35680e17c74497",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/49ff736bd5d41f45240cec77b44967d76e0c3d25",
+                "reference": "49ff736bd5d41f45240cec77b44967d76e0c3d25",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
+            "suggest": {
+                "ext-mbstring": "For best performance"
+            },
             "type": "library",
             "extra": {
                 "branch-alias": {
@@ -502,20 +505,20 @@
                 "portable",
                 "shim"
             ],
-            "time": "2015-11-04 20:28:58"
+            "time": "2015-11-20 09:19:13"
         },
         {
             "name": "symfony/var-dumper",
-            "version": "v3.0.0",
+            "version": "v3.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "737e07704cca83f9dd0af926d45ce27eedc25657"
+                "reference": "87db8700deb12ba2b65e858f656a1f885530bcb0"
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             "dist": {
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-                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/737e07704cca83f9dd0af926d45ce27eedc25657",
-                "reference": "737e07704cca83f9dd0af926d45ce27eedc25657",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/87db8700deb12ba2b65e858f656a1f885530bcb0",
+                "reference": "87db8700deb12ba2b65e858f656a1f885530bcb0",
                 "shasum": ""
             },
             "require": {
@@ -565,7 +568,7 @@
                 "debug",
                 "dump"
             ],
-            "time": "2015-11-18 13:48:51"
+            "time": "2015-12-05 11:13:14"
         }
     ],
     "aliases": [],