diff --git a/.github/.release-please-manifest.json b/.github/.release-please-manifest.json
index 2fd5e1b..3bf2410 100644
--- a/.github/.release-please-manifest.json
+++ b/.github/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.1.3"
+  ".": "5.1.4"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c87023..362ffcd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [5.1.4](https://github.com/solapi/solapi-php/compare/v5.1.3...v5.1.4) (2026-09-29)
+
+
+### Miscellaneous Chores
+
+* remove former employee personal contact from composer.json authors ([29a9df0](https://github.com/solapi/solapi-php/commit/29a9df0048cc8403aebfb6f4f21f50e62281246c))
+* remove former employee personal contact from composer.json authors ([0e6518d](https://github.com/solapi/solapi-php/commit/0e6518d7a476ca2f2b0416259dbbe0bec7cdd915))
+
 ## [5.1.3](https://github.com/solapi/solapi-php/compare/v5.1.2...v5.1.3) (2026-05-11)
 
 
diff --git a/composer.json b/composer.json
index b169d0c..8bb9b65 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
   "name": "solapi/sdk",
   "description": "SOLAPI SDK for PHP",
-  "version": "5.1.3",
+  "version": "5.1.4",
   "type": "library",
   "license": "MIT",
   "autoload": {
diff --git a/src/Models/Request/DefaultAgent.php b/src/Models/Request/DefaultAgent.php
index b79ee73..f6e58fe 100644
--- a/src/Models/Request/DefaultAgent.php
+++ b/src/Models/Request/DefaultAgent.php
@@ -16,7 +16,7 @@ class DefaultAgent
 
     public function __construct()
     {
-        $this->sdkVersion = 'php/5.1.3'; // x-release-please-version
+        $this->sdkVersion = 'php/5.1.4'; // x-release-please-version
         $this->osPlatform = PHP_OS . " | " . phpversion();
     }
 }