diff --git a/src/main/java/roomescape/RoomescapeApplication.kt b/src/main/java/roomescape/RoomescapeApplication.kt
index 56ea6335..aca20d20 100644
--- a/src/main/java/roomescape/RoomescapeApplication.kt
+++ b/src/main/java/roomescape/RoomescapeApplication.kt
@@ -1,15 +1,14 @@
-package roomescape;
+package roomescape
 
-import org.springframework.boot.Banner.Mode;
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.Banner
+import org.springframework.boot.SpringApplication
+import org.springframework.boot.autoconfigure.SpringBootApplication
 
 @SpringBootApplication
-public class RoomescapeApplication {
+class RoomescapeApplication
 
-	public static void main(String[] args) {
-		SpringApplication springApplication = new SpringApplication(RoomescapeApplication.class);
-		springApplication.setBannerMode(Mode.OFF);
-		springApplication.run();
-	}
+fun main(args: Array<String>) {
+    val springApplication = SpringApplication(RoomescapeApplication::class.java)
+    springApplication.setBannerMode(Banner.Mode.OFF)
+    springApplication.run()
 }