diff --git a/backend/src/main/resources/db/migration/V12__add_employee_fields.sql b/backend/src/main/resources/db/migration/V12__add_employee_fields.sql
index 97d7cbe..e0ac49d 100644
--- a/backend/src/main/resources/db/migration/V12__add_employee_fields.sql
+++ b/backend/src/main/resources/db/migration/V12__add_employee_fields.sql
@@ -1,41 +1 @@
-ALTER TABLE tb_employee ADD COLUMN birth_date DATE;
-ALTER TABLE tb_employee ADD COLUMN education VARCHAR(20);
-ALTER TABLE tb_employee ADD COLUMN major VARCHAR(100);
-ALTER TABLE tb_employee ADD COLUMN graduation_date DATE;
-ALTER TABLE tb_employee ADD COLUMN residence VARCHAR(255);
-
-CREATE SEQUENCE sq_employee_emergency_contacts INCREMENT BY 50;
-
-CREATE TABLE tb_employee_emergency_contact (
-    id BIGSERIAL PRIMARY KEY,
-    emp_id BIGINT NOT NULL REFERENCES tb_employee(id),
-    name VARCHAR(100) NOT NULL,
-    relation VARCHAR(50),
-    phone VARCHAR(20),
-    sort_order INTEGER DEFAULT 0,
-    created_at TIMESTAMP,
-    updated_at TIMESTAMP,
-    is_deleted CHAR(1) DEFAULT 'N'
-);
-
-CREATE INDEX idx_emergency_contact_emp_id ON tb_employee_emergency_contact(emp_id);
-
-INSERT INTO tb_common_code (id, group_code, code_value, code_name, sort_order, is_active, created_at, updated_at)
-SELECT nextval('sq_common_codes'), 'EDUCATION_LEVEL', 'HIGH_SCHOOL', '고졸', 1, 'Y', NOW(), NOW()
-WHERE NOT EXISTS (SELECT 1 FROM tb_common_code WHERE group_code = 'EDUCATION_LEVEL' AND code_value = 'HIGH_SCHOOL');
-
-INSERT INTO tb_common_code (id, group_code, code_value, code_name, sort_order, is_active, created_at, updated_at)
-SELECT nextval('sq_common_codes'), 'EDUCATION_LEVEL', 'COLLEGE', '전문대', 2, 'Y', NOW(), NOW()
-WHERE NOT EXISTS (SELECT 1 FROM tb_common_code WHERE group_code = 'EDUCATION_LEVEL' AND code_value = 'COLLEGE');
-
-INSERT INTO tb_common_code (id, group_code, code_value, code_name, sort_order, is_active, created_at, updated_at)
-SELECT nextval('sq_common_codes'), 'EDUCATION_LEVEL', 'BACHELOR', '학사', 3, 'Y', NOW(), NOW()
-WHERE NOT EXISTS (SELECT 1 FROM tb_common_code WHERE group_code = 'EDUCATION_LEVEL' AND code_value = 'BACHELOR');
-
-INSERT INTO tb_common_code (id, group_code, code_value, code_name, sort_order, is_active, created_at, updated_at)
-SELECT nextval('sq_common_codes'), 'EDUCATION_LEVEL', 'MASTER', '석사', 4, 'Y', NOW(), NOW()
-WHERE NOT EXISTS (SELECT 1 FROM tb_common_code WHERE group_code = 'EDUCATION_LEVEL' AND code_value = 'MASTER');
-
-INSERT INTO tb_common_code (id, group_code, code_value, code_name, sort_order, is_active, created_at, updated_at)
-SELECT nextval('sq_common_codes'), 'EDUCATION_LEVEL', 'DOCTOR', '박사', 5, 'Y', NOW(), NOW()
-WHERE NOT EXISTS (SELECT 1 FROM tb_common_code WHERE group_code = 'EDUCATION_LEVEL' AND code_value = 'DOCTOR');
+SELECT 1;
diff --git a/backend/src/main/resources/db/migration/V13__add_employee_fields.sql b/backend/src/main/resources/db/migration/V13__add_employee_fields.sql
new file mode 100644
index 0000000..550c6f8
--- /dev/null
+++ b/backend/src/main/resources/db/migration/V13__add_employee_fields.sql
@@ -0,0 +1,54 @@
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'tb_employee' AND column_name = 'birth_date') THEN
+        ALTER TABLE tb_employee ADD COLUMN birth_date DATE;
+    END IF;
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'tb_employee' AND column_name = 'education') THEN
+        ALTER TABLE tb_employee ADD COLUMN education VARCHAR(20);
+    END IF;
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'tb_employee' AND column_name = 'major') THEN
+        ALTER TABLE tb_employee ADD COLUMN major VARCHAR(100);
+    END IF;
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'tb_employee' AND column_name = 'graduation_date') THEN
+        ALTER TABLE tb_employee ADD COLUMN graduation_date DATE;
+    END IF;
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name = 'tb_employee' AND column_name = 'residence') THEN
+        ALTER TABLE tb_employee ADD COLUMN residence VARCHAR(255);
+    END IF;
+END $$;
+
+CREATE SEQUENCE IF NOT EXISTS sq_employee_emergency_contacts INCREMENT BY 50;
+
+CREATE TABLE IF NOT EXISTS tb_employee_emergency_contact (
+    id BIGSERIAL PRIMARY KEY,
+    emp_id BIGINT NOT NULL REFERENCES tb_employee(id),
+    name VARCHAR(100) NOT NULL,
+    relation VARCHAR(50),
+    phone VARCHAR(20),
+    sort_order INTEGER DEFAULT 0,
+    created_at TIMESTAMP,
+    updated_at TIMESTAMP,
+    is_deleted CHAR(1) DEFAULT 'N'
+);
+
+CREATE INDEX IF NOT EXISTS idx_emergency_contact_emp_id ON tb_employee_emergency_contact(emp_id);
+
+INSERT INTO tb_common_code (id, group_code, code_value, code_name, sort_order, is_active, created_at, updated_at)
+SELECT nextval('sq_common_codes'), 'EDUCATION_LEVEL', 'HIGH_SCHOOL', '고졸', 1, 'Y', NOW(), NOW()
+WHERE NOT EXISTS (SELECT 1 FROM tb_common_code WHERE group_code = 'EDUCATION_LEVEL' AND code_value = 'HIGH_SCHOOL');
+
+INSERT INTO tb_common_code (id, group_code, code_value, code_name, sort_order, is_active, created_at, updated_at)
+SELECT nextval('sq_common_codes'), 'EDUCATION_LEVEL', 'COLLEGE', '전문대', 2, 'Y', NOW(), NOW()
+WHERE NOT EXISTS (SELECT 1 FROM tb_common_code WHERE group_code = 'EDUCATION_LEVEL' AND code_value = 'COLLEGE');
+
+INSERT INTO tb_common_code (id, group_code, code_value, code_name, sort_order, is_active, created_at, updated_at)
+SELECT nextval('sq_common_codes'), 'EDUCATION_LEVEL', 'BACHELOR', '학사', 3, 'Y', NOW(), NOW()
+WHERE NOT EXISTS (SELECT 1 FROM tb_common_code WHERE group_code = 'EDUCATION_LEVEL' AND code_value = 'BACHELOR');
+
+INSERT INTO tb_common_code (id, group_code, code_value, code_name, sort_order, is_active, created_at, updated_at)
+SELECT nextval('sq_common_codes'), 'EDUCATION_LEVEL', 'MASTER', '석사', 4, 'Y', NOW(), NOW()
+WHERE NOT EXISTS (SELECT 1 FROM tb_common_code WHERE group_code = 'EDUCATION_LEVEL' AND code_value = 'MASTER');
+
+INSERT INTO tb_common_code (id, group_code, code_value, code_name, sort_order, is_active, created_at, updated_at)
+SELECT nextval('sq_common_codes'), 'EDUCATION_LEVEL', 'DOCTOR', '박사', 5, 'Y', NOW(), NOW()
+WHERE NOT EXISTS (SELECT 1 FROM tb_common_code WHERE group_code = 'EDUCATION_LEVEL' AND code_value = 'DOCTOR');