diff --git a/source/src/main/java/one/nem/lacerta/source/database/entity/LibraryEntity.java b/source/src/main/java/one/nem/lacerta/source/database/entity/LibraryEntity.java
index ab6d8638..33fffb3f 100644
--- a/source/src/main/java/one/nem/lacerta/source/database/entity/LibraryEntity.java
+++ b/source/src/main/java/one/nem/lacerta/source/database/entity/LibraryEntity.java
@@ -21,4 +21,7 @@ public class LibraryEntity {
     @ColumnInfo(name = "path")
     public String path; // パス
 
+    @ColumnInfo(name = "root_path")
+    public String rootPath; // ルートパス
+
 }