diff --git a/backend/src/main/resources/dev/schema.sql b/backend/src/main/resources/dev/schema.sql
index bc5a90a27..5562b9f88 100644
--- a/backend/src/main/resources/dev/schema.sql
+++ b/backend/src/main/resources/dev/schema.sql
@@ -14,7 +14,7 @@ create table if not exists song
     length          integer      not null,
     video_id        varchar(20)  not null,
     album_cover_url text         not null,
-    genre           varchar(20),
+    genre varchar(255) check (genre in ('BALLAD', 'DANCE', 'HIPHOP', 'RHYTHM_AND_BLUES', 'INDIE', 'ROCK_METAL', 'TROT', 'FOLK_BLUES', 'POP', 'JAZZ', 'CLASSIC', 'J_POP', 'EDM', 'ETC')),
     created_at      timestamp(6) not null,
     primary key (id)
 );
diff --git a/backend/src/main/resources/schema.sql b/backend/src/main/resources/schema.sql
index 0841c17b0..3ef6d1b1d 100644
--- a/backend/src/main/resources/schema.sql
+++ b/backend/src/main/resources/schema.sql
@@ -88,4 +88,5 @@ alter table killing_part
     alter column like_count set default 0;
 alter table member
     add column created_at timestamp(6) not null;
-alter table song add column genre varchar(20);
+alter table song add column genre varchar(255) check
+    (genre in ('BALLAD', 'DANCE', 'HIPHOP', 'RHYTHM_AND_BLUES', 'INDIE', 'ROCK_METAL', 'TROT', 'FOLK_BLUES', 'POP', 'JAZZ', 'CLASSIC', 'J_POP', 'EDM', 'ETC'));
diff --git a/backend/src/test/resources/killingpart/initialize_killing_part_song.sql b/backend/src/test/resources/killingpart/initialize_killing_part_song.sql
index 3310c53b9..f263d7685 100644
--- a/backend/src/test/resources/killingpart/initialize_killing_part_song.sql
+++ b/backend/src/test/resources/killingpart/initialize_killing_part_song.sql
@@ -12,7 +12,7 @@ create table if not exists song
     length          integer      not null,
     video_id        varchar(20)  not null,
     album_cover_url text         not null,
-    genre           varchar(20),
+    genre varchar(255) check (genre in ('BALLAD', 'DANCE', 'HIPHOP', 'RHYTHM_AND_BLUES', 'INDIE', 'ROCK_METAL', 'TROT', 'FOLK_BLUES', 'POP', 'JAZZ', 'CLASSIC', 'J_POP', 'EDM', 'ETC')),
     created_at      timestamp(6) not null,
     primary key (id)
 );
diff --git a/backend/src/test/resources/schema-test.sql b/backend/src/test/resources/schema-test.sql
index c9c133402..2d4405534 100644
--- a/backend/src/test/resources/schema-test.sql
+++ b/backend/src/test/resources/schema-test.sql
@@ -15,7 +15,7 @@ create table if not exists song
     length          integer      not null,
     video_id        varchar(20)  not null,
     album_cover_url text         not null,
-    genre           varchar(20),
+    genre varchar(255) check (genre in ('BALLAD', 'DANCE', 'HIPHOP', 'RHYTHM_AND_BLUES', 'INDIE', 'ROCK_METAL', 'TROT', 'FOLK_BLUES', 'POP', 'JAZZ', 'CLASSIC', 'J_POP', 'EDM', 'ETC')),
     created_at      timestamp(6) not null,
     primary key (id)
 );