diff --git a/composer.lock b/composer.lock
index bc09757..3c69b62 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2671,28 +2671,28 @@
         },
         {
             "name": "symfony/dotenv",
-            "version": "v4.1.4",
+            "version": "v4.3.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dotenv.git",
-                "reference": "22ca63c46e252b8a8f37b8f9e6da66bff5b3d3e7"
+                "reference": "62d93bf07edd0d76f033d65a7fd1c1ce50d28b50"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dotenv/zipball/22ca63c46e252b8a8f37b8f9e6da66bff5b3d3e7",
-                "reference": "22ca63c46e252b8a8f37b8f9e6da66bff5b3d3e7",
+                "url": "https://api.github.com/repos/symfony/dotenv/zipball/62d93bf07edd0d76f033d65a7fd1c1ce50d28b50",
+                "reference": "62d93bf07edd0d76f033d65a7fd1c1ce50d28b50",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.1.3"
             },
             "require-dev": {
-                "symfony/process": "~3.4|~4.0"
+                "symfony/process": "^3.4.2|^4.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.1-dev"
+                    "dev-master": "4.3-dev"
                 }
             },
             "autoload": {
@@ -2724,7 +2724,7 @@
                 "env",
                 "environment"
             ],
-            "time": "2018-07-26T11:24:31+00:00"
+            "time": "2019-10-18T11:23:15+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
@@ -4799,19 +4799,19 @@
             "authors": [
                 {
                     "name": "Fabien Potencier",
-                    "role": "Lead Developer",
                     "email": "fabien@symfony.com",
-                    "homepage": "http://fabien.potencier.org"
+                    "homepage": "http://fabien.potencier.org",
+                    "role": "Lead Developer"
                 },
                 {
                     "name": "Armin Ronacher",
-                    "role": "Project Founder",
-                    "email": "armin.ronacher@active-4.com"
+                    "email": "armin.ronacher@active-4.com",
+                    "role": "Project Founder"
                 },
                 {
                     "name": "Twig Team",
-                    "role": "Contributors",
-                    "homepage": "https://twig.symfony.com/contributors"
+                    "homepage": "https://twig.symfony.com/contributors",
+                    "role": "Contributors"
                 }
             ],
             "description": "Twig, the flexible, fast, and secure template language for PHP",