diff --git a/src/models/issues.rs b/src/models/issues.rs
index a5a9f7c4..bfb9e290 100644
--- a/src/models/issues.rs
+++ b/src/models/issues.rs
@@ -71,6 +71,7 @@ pub enum IssueStateReason {
     Completed,
     NotPlanned,
     Reopened,
+    Duplicate,
 }
 
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]