diff --git a/.env.demo.local b/.env.demo.local
index aed241a..deb8fe2 100644
--- a/.env.demo.local
+++ b/.env.demo.local
@@ -1,4 +1,5 @@
 KOREANBOTS_URL=http://localhost:3000
+MYSQL_PORT=3306
 MYSQL_HOST=mysql
 MYSQL_USER=root
 MYSQL_PASSWORD=YOUSHALLNOTPASS
diff --git a/utils/Knex.ts b/utils/Knex.ts
index e51361f..f66542e 100644
--- a/utils/Knex.ts
+++ b/utils/Knex.ts
@@ -3,6 +3,7 @@ import knex from 'knex'
 export default knex({
 	client: 'mysql',
 	connection: {
+		port: Number(process.env.MYSQL_PORT) || 3306,
 		host: process.env.MYSQL_HOST || 'localhost',
 		user: process.env.MYSQL_USER || 'root',
 		password: process.env.MYSQL_PASSWORD || 'test',