diff --git a/src/main/java/org/ntlab/citrusserver/entities/Account.java b/src/main/java/org/ntlab/citrusserver/entities/Account.java
new file mode 100644
index 0000000..7694b27
--- /dev/null
+++ b/src/main/java/org/ntlab/citrusserver/entities/Account.java
@@ -0,0 +1,4 @@
+package org.ntlab.citrusserver.entities;
+
+public class Account {
+}