diff --git a/CHANGELOG.md b/CHANGELOG.md
index 543b8383..f575489a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 # CHANGELOG
 
+## 2024.1.9
+
+- Add Prefix when generate Voucher
+
 ## 2024.1.8
 
 - User Expired Order by Expired Date
diff --git a/version.json b/version.json
index a5038073..8d55fed3 100644
--- a/version.json
+++ b/version.json
@@ -1,3 +1,3 @@
 {
-    "version": "2024.1.8"
+    "version": "2024.1.9"
 }
\ No newline at end of file