diff --git a/src/main/java/co/omise/models/ChargeStatus.java b/src/main/java/co/omise/models/ChargeStatus.java
index <HASH>..<HASH> 100644
--- a/src/main/java/co/omise/models/ChargeStatus.java
+++ b/src/main/java/co/omise/models/ChargeStatus.java
@@ -7,4 +7,5 @@ public enum ChargeStatus {
     @JsonProperty("pending")Pending,
     @JsonProperty("successful")Successful,
     @JsonProperty("reversed")Reversed,
+    @JsonProperty("expired")Expired,
 }
Added expired status to charge status.