diff --git a/model/src/main/java/one/nem/lacerta/model/document/DocumentDetail.java b/model/src/main/java/one/nem/lacerta/model/document/DocumentDetail.java
index 20119a31..474daddd 100644
--- a/model/src/main/java/one/nem/lacerta/model/document/DocumentDetail.java
+++ b/model/src/main/java/one/nem/lacerta/model/document/DocumentDetail.java
@@ -31,6 +31,8 @@ public class DocumentDetail {
      */
     String defaultBranch;
 
+    Repository repository;
+
     // Constructor
     public DocumentDetail() {
     }