diff --git a/app/Constants.php b/app/Constants.php
index 6cd1e0243e6a..bc706d549d0d 100644
--- a/app/Constants.php
+++ b/app/Constants.php
@@ -339,7 +339,7 @@ if (! defined('APP_NAME')) {
     define('NINJA_APP_URL', env('NINJA_APP_URL', 'https://app.invoiceninja.com'));
     define('NINJA_DOCS_URL', env('NINJA_DOCS_URL', 'http://docs.invoiceninja.com/en/latest'));
     define('NINJA_DATE', '2000-01-01');
-    define('NINJA_VERSION', '4.3.0' . env('NINJA_VERSION_SUFFIX'));
+    define('NINJA_VERSION', '4.3.1' . env('NINJA_VERSION_SUFFIX'));
     define('NINJA_TERMS_VERSION', '');
 
     define('SOCIAL_LINK_FACEBOOK', env('SOCIAL_LINK_FACEBOOK', 'https://www.facebook.com/invoiceninja'));
diff --git a/composer.json b/composer.json
index d448888ad9a1..fb677eb3daec 100644
--- a/composer.json
+++ b/composer.json
@@ -51,6 +51,7 @@
         "league/fractal": "0.13.*",
         "maatwebsite/excel": "~2.0",
         "mpdf/mpdf": "6.1.3",
+        "nesbot/carbon": "^1.25",
         "nwidart/laravel-modules": "1.*",
         "omnipay/authorizenet": "dev-solution-id as 2.5.0",
         "patricktalmadge/bootstrapper": "5.5.x",
diff --git a/composer.lock b/composer.lock
index 0fe0eefcf6d3..7b3edde8a5d6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "7090bedcce23dd1dcc592a0d3e544763",
-    "content-hash": "4ce866c804fd7e1b830c8ae1afa28846",
+    "hash": "81ec40f578917feb6070a8c9911bf69c",
+    "content-hash": "ad55e995b8e9255f3319e3b3ae1200e5",
     "packages": [
         {
             "name": "abdala/omnipay-pagseguro",
@@ -5438,16 +5438,16 @@
         },
         {
             "name": "nesbot/carbon",
-            "version": "1.24.1",
+            "version": "1.25.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/briannesbitt/Carbon.git",
-                "reference": "ef12cbd8ba5ce624f0a6a95e0850c4cc13e71e41"
+                "reference": "cbcf13da0b531767e39eb86e9687f5deba9857b4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/briannesbitt/Carbon/zipball/ef12cbd8ba5ce624f0a6a95e0850c4cc13e71e41",
-                "reference": "ef12cbd8ba5ce624f0a6a95e0850c4cc13e71e41",
+                "url": "https://api.github.com/repos/briannesbitt/Carbon/zipball/cbcf13da0b531767e39eb86e9687f5deba9857b4",
+                "reference": "cbcf13da0b531767e39eb86e9687f5deba9857b4",
                 "shasum": ""
             },
             "require": {
@@ -5487,7 +5487,7 @@
                 "datetime",
                 "time"
             ],
-            "time": "2018-03-09 15:49:34"
+            "time": "2018-03-19 15:50:49"
         },
         {
             "name": "nikic/php-parser",
diff --git a/docs/conf.py b/docs/conf.py
index 78a65ebd2a2b..1f013d7f6e46 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -59,7 +59,7 @@ author = u'Invoice Ninja'
 # The short X.Y version.
 version = u'4.3'
 # The full version, including alpha/beta/rc tags.
-release = u'4.3.0'
+release = u'4.3.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.