diff --git a/src/main/java/roomescape/reservation/business/ReservationTimeService.java b/src/main/java/roomescape/reservation/business/ReservationTimeService.kt
similarity index 100%
rename from src/main/java/roomescape/reservation/business/ReservationTimeService.java
rename to src/main/java/roomescape/reservation/business/ReservationTimeService.kt