diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef564dfc..ab535414 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 # CHANGELOG
 
+## 2024.3.13
+
+- Postpaid System
+- Additional Cost
+
 ## 2024.3.12
 
 - Check if Validity Period, so calculate price will not affected other validity
diff --git a/version.json b/version.json
index 13a15d0a..5c44e79f 100644
--- a/version.json
+++ b/version.json
@@ -1,3 +1,3 @@
 {
-    "version": "2024.3.12"
+    "version": "2024.3.13"
 }
\ No newline at end of file