diff --git a/composer.lock b/composer.lock
index 262c81216..06b0a8dcd 100644
--- a/composer.lock
+++ b/composer.lock
@@ -665,7 +665,7 @@
             ],
             "authors": [
                 {
-                    "name": "Èrik Campobadal",
+                    "name": "Erik Campobadal",
                     "email": "soc@erik.cat"
                 }
             ],
@@ -2886,16 +2886,16 @@
         },
         {
             "name": "nesbot/carbon",
-            "version": "1.34.0",
+            "version": "1.35.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/briannesbitt/Carbon.git",
-                "reference": "1dbd3cb01c5645f3e7deda7aa46ef780d95fcc33"
+                "reference": "5c05a2be472b22f63291d192410df9f0e0de3b19"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/briannesbitt/Carbon/zipball/1dbd3cb01c5645f3e7deda7aa46ef780d95fcc33",
-                "reference": "1dbd3cb01c5645f3e7deda7aa46ef780d95fcc33",
+                "url": "https://api.github.com/repos/briannesbitt/Carbon/zipball/5c05a2be472b22f63291d192410df9f0e0de3b19",
+                "reference": "5c05a2be472b22f63291d192410df9f0e0de3b19",
                 "shasum": ""
             },
             "require": {
@@ -2903,9 +2903,12 @@
                 "symfony/translation": "~2.6 || ~3.0 || ~4.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "~2",
                 "phpunit/phpunit": "^4.8.35 || ^5.7"
             },
+            "suggest": {
+                "friendsofphp/php-cs-fixer": "Needed for the `composer phpcs` command. Allow to automatically fix code style.",
+                "phpstan/phpstan": "Needed for the `composer phpstan` command. Allow to detect potential errors."
+            },
             "type": "library",
             "extra": {
                 "laravel": {
@@ -2937,7 +2940,7 @@
                 "datetime",
                 "time"
             ],
-            "time": "2018-09-20T19:36:25+00:00"
+            "time": "2018-11-14T21:55:58+00:00"
         },
         {
             "name": "nikic/php-parser",