diff --git a/data/src/main/java/one/nem/lacerta/data/model/documents/DocumentType.java b/data/src/main/java/one/nem/lacerta/data/model/documents/enums/DocumentType.java
similarity index 87%
rename from data/src/main/java/one/nem/lacerta/data/model/documents/DocumentType.java
rename to data/src/main/java/one/nem/lacerta/data/model/documents/enums/DocumentType.java
index 84eedbe2..634dc608 100644
--- a/data/src/main/java/one/nem/lacerta/data/model/documents/DocumentType.java
+++ b/data/src/main/java/one/nem/lacerta/data/model/documents/enums/DocumentType.java
@@ -1,4 +1,4 @@
-package one.nem.lacerta.data.model.documents;
+package one.nem.lacerta.data.model.documents.enums;
 
 public enum DocumentType {
     // ドキュメントの種類