From e791d996620043e9bf087e2070103d08c1548a4f Mon Sep 17 00:00:00 2001
From: gytis leonavicius <gytis.leonavicius@market-pay.com>
Date: Thu, 3 Sep 2026 11:40:00 +0300
Subject: [PATCH] Update CHANGELOG.md for 3.1.22 release

---
 CHANGELOG.md | 3 +++
 readme.md    | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a39bcd1..8366e0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [3.1.22]
+- Added `saleInvoiceNumber` support to `PaymentRequest` and mapped `sale_invoice_number` parameter in `PensioMerchantAPI`.
+
 ## [3.1.21]
 - Added `riskManager` and `maxConversion` objects to `configuration` to /createCheckoutSession endpoint.
 
diff --git a/readme.md b/readme.md
index 715ebd6..b182a10 100644
--- a/readme.md
+++ b/readme.md
@@ -49,12 +49,12 @@ For integrating Java projects with the AltaPay gateway.
     <dependency>
         <groupId>com.altapay</groupId>
         <artifactId>sdk-java</artifactId>
-        <version>3.1.21</version>
+        <version>3.1.22</version>
     </dependency>
 
 ### Gradle
 
-    implementation 'com.altapay:sdk-java:3.1.21'
+    implementation 'com.altapay:sdk-java:3.1.22'
 
 ## Changelog