diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1160ee236..34a1c66ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,12 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [5.4.1] - 2017-04-04 ##
+### Added
+- Pull #373
+- PSR1 & PSR2 Conversion
+- Thanks to [Braunson Yager](https://github.com/Braunson) for the PR!
+
 ## [5.4.0] - 2017-03-16 ##
 ### Added
 - Pull #337
diff --git a/composer.json b/composer.json
index 41795b7f0..fccfd901d 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
   "name": "sendgrid/sendgrid",
   "description": "This library allows you to quickly and easily send emails through SendGrid using PHP.",
-  "version": "5.4.0",
+  "version": "5.4.1",
   "homepage": "http://github.com/sendgrid/sendgrid-php",
   "license": "MIT",
   "keywords": ["SendGrid", "sendgrid", "email", "send", "grid"],
diff --git a/lib/SendGrid.php b/lib/SendGrid.php
index d3fc59762..b6ea0f7b7 100644
--- a/lib/SendGrid.php
+++ b/lib/SendGrid.php
@@ -14,7 +14,7 @@
   */
 class SendGrid
 {
-    const VERSION = '5.4.0';
+    const VERSION = '5.4.1';
 
     /**
      *
diff --git a/test/unit/SendGridTest.php b/test/unit/SendGridTest.php
index 6ef4b4a7d..75e50a762 100644
--- a/test/unit/SendGridTest.php
+++ b/test/unit/SendGridTest.php
@@ -59,7 +59,7 @@ public static function setUpBeforeClass()
 
     public function testVersion()
     {
-        $this->assertEquals(SendGrid::VERSION, '5.4.0');
+        $this->assertEquals(SendGrid::VERSION, '5.4.1');
         $this->assertEquals(json_decode(file_get_contents(__DIR__ . '/../../composer.json'))->version, SendGrid::VERSION);
     }