diff --git a/src/main/java/roomescape/payment/web/support/PaymentCancelResponseDeserializer.java b/src/main/java/roomescape/payment/web/support/PaymentCancelResponseDeserializer.kt similarity index 100% rename from src/main/java/roomescape/payment/web/support/PaymentCancelResponseDeserializer.java rename to src/main/java/roomescape/payment/web/support/PaymentCancelResponseDeserializer.kt