diff --git a/src/main/resources/db/migration/V20260505__Add_version_column_to_users.sql b/src/main/resources/db/migration/V20260505__Add_version_column_to_users.sql
new file mode 100644
index 0000000..eb9e9be
--- /dev/null
+++ b/src/main/resources/db/migration/V20260505__Add_version_column_to_users.sql
@@ -0,0 +1,2 @@
+-- Issue #181: users 테이블에 version 컬럼 추가 (JPA Optimistic Locking)
+ALTER TABLE users ADD COLUMN version BIGINT NOT NULL DEFAULT 0;