diff --git a/src/main/java/roomescape/common/dto/response/ErrorResponse.java b/src/main/java/roomescape/common/dto/response/ErrorResponse.kt
similarity index 100%
rename from src/main/java/roomescape/common/dto/response/ErrorResponse.java
rename to src/main/java/roomescape/common/dto/response/ErrorResponse.kt
diff --git a/src/main/java/roomescape/common/dto/response/RoomEscapeApiResponse.java b/src/main/java/roomescape/common/dto/response/RoomEscapeApiResponse.kt
similarity index 100%
rename from src/main/java/roomescape/common/dto/response/RoomEscapeApiResponse.java
rename to src/main/java/roomescape/common/dto/response/RoomEscapeApiResponse.kt