diff --git a/composer.json b/composer.json
index 590693e..5f1b038 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
         "josephlavin/tap": "^1.0",
         "jublonet/codebird-php": "^3.1",
         "symfony/console": "4.2.*",
-        "symfony/dotenv": "4.2.*",
+        "symfony/dotenv": "4.3.*",
         "symfony/flex": "^1.1",
         "symfony/framework-bundle": "4.2.*",
         "symfony/orm-pack": "^1.0",
diff --git a/composer.lock b/composer.lock
index d235a35..954ab7b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "80d95f9980e81a7c3025475d52763bdf",
+    "content-hash": "8eda256b44a87740d4d635434d9a2780",
     "packages": [
         {
             "name": "composer/installers",
@@ -2298,16 +2298,16 @@
         },
         {
             "name": "symfony/dotenv",
-            "version": "v4.2.11",
+            "version": "v4.3.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/dotenv.git",
-                "reference": "6163f061011009655da1bc615b38941bc460ef1b"
+                "reference": "1785b18148a016b8f4e6a612291188d568e1f9cd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/dotenv/zipball/6163f061011009655da1bc615b38941bc460ef1b",
-                "reference": "6163f061011009655da1bc615b38941bc460ef1b",
+                "url": "https://api.github.com/repos/symfony/dotenv/zipball/1785b18148a016b8f4e6a612291188d568e1f9cd",
+                "reference": "1785b18148a016b8f4e6a612291188d568e1f9cd",
                 "shasum": ""
             },
             "require": {
@@ -2319,7 +2319,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.2-dev"
+                    "dev-master": "4.3-dev"
                 }
             },
             "autoload": {
@@ -2351,7 +2351,7 @@
                 "env",
                 "environment"
             ],
-            "time": "2019-06-26T06:46:55+00:00"
+            "time": "2019-08-03T21:50:52+00:00"
         },
         {
             "name": "symfony/event-dispatcher",