diff --git a/CHANGELOG.md b/CHANGELOG.md
index 951a675..2f70114 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 ## [Released]
 
+## [1.3.1] - 2025-10-23
+### Changed
+- Update error response format
+- Update some docs
+
+**Full Changelog**: https://github.com/Sentia/zai-payment/compare/v1.3.0...v1.3.1
+
 ## [1.3.0] - 2025-10-23
 ### Added
 - **User Management API**: Full CRUD operations for managing Zai users (payin and payout) 👥
diff --git a/Gemfile.lock b/Gemfile.lock
index 1fac71f..51489e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    zai_payment (1.3.0)
+    zai_payment (1.3.1)
       base64 (~> 0.3.0)
       faraday (~> 2.0)
       openssl (~> 3.3)
diff --git a/lib/zai_payment/version.rb b/lib/zai_payment/version.rb
index 3d2f798..e85870c 100644
--- a/lib/zai_payment/version.rb
+++ b/lib/zai_payment/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module ZaiPayment
-  VERSION = '1.3.0'
+  VERSION = '1.3.1'
 end