diff --git a/src/main/java/aromanticcat/umcproject/service/letterbox/LetterboxService.java b/src/main/java/aromanticcat/umcproject/service/letterbox/LetterboxService.java
index f15e10f..c9a09ff 100644
--- a/src/main/java/aromanticcat/umcproject/service/letterbox/LetterboxService.java
+++ b/src/main/java/aromanticcat/umcproject/service/letterbox/LetterboxService.java
@@ -39,4 +39,32 @@ public LetterboxResponse getLetterboxById(Long letterboxId) {
             return null;
         }
     }
+
+    @Transactional
+    public LetterboxResponse updateLetterbox(Long letterboxId, LetterboxRequest request) {
+        Letterbox letterbox = letterboxRepository.findById(letterboxId).orElse(null);
+
+        if (letterbox != null) {
+            if (request.getName() != null) {
+                letterbox.setName(request.getName());
+            }
+            if (request.getColor() != null) {
+                letterbox.setColor(request.getColor());
+            }
+            if (request.getEndDt() != null) {
+                letterbox.setEndDt(request.getEndDt());
+            }
+            if (request.getActivate() != null) {
+                letterbox.setActivate(request.getActivate());
+            }
+            if (request.getSender() != null) {
+                letterbox.setSender(request.getSender());
+            }
+
+            letterboxRepository.save(letterbox);
+            return letterbox.toResponse(letterbox);
+        } else {
+            return null;
+        }
+    }
 }
diff --git a/src/main/java/aromanticcat/umcproject/web/controller/LetterboxController.java b/src/main/java/aromanticcat/umcproject/web/controller/LetterboxController.java
index ed17304..1a55b55 100644
--- a/src/main/java/aromanticcat/umcproject/web/controller/LetterboxController.java
+++ b/src/main/java/aromanticcat/umcproject/web/controller/LetterboxController.java
@@ -33,4 +33,15 @@ public ApiResponse<LetterboxResponse> getLetterboxById(@PathVariable Long letter
             return ApiResponse.onFailure(HttpStatus.INTERNAL_SERVER_ERROR.toString(), e.getMessage(), null);
         }
     }
+
+    @PatchMapping("/{letterboxId}")
+    @ApiOperation(value = "우편함 수정")
+    public ApiResponse<LetterboxResponse> updateLetterbox( @PathVariable Long letterboxId, @RequestBody LetterboxRequest request) {
+        LetterboxResponse updatedLbResponse = letterboxService.updateLetterbox(letterboxId, request);
+        try {
+            return ApiResponse.onSuccess(updatedLbResponse);
+        } catch (Exception e){
+            return ApiResponse.onFailure(HttpStatus.INTERNAL_SERVER_ERROR.toString(), e.getMessage(), null);
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/aromanticcat/umcproject/web/dto/LetterboxRequest.java b/src/main/java/aromanticcat/umcproject/web/dto/LetterboxRequest.java
index 85f9715..002b186 100644
--- a/src/main/java/aromanticcat/umcproject/web/dto/LetterboxRequest.java
+++ b/src/main/java/aromanticcat/umcproject/web/dto/LetterboxRequest.java
@@ -6,6 +6,7 @@
 
 import java.time.LocalDateTime;
 
+@Getter
 public class LetterboxRequest {
     private String name;
     private String color;
@@ -13,7 +14,6 @@ public class LetterboxRequest {
     private Boolean activate;
     private Boolean sender;
 
-    @Getter
     private Long member_id;
     public Letterbox toEntity() {
         Letterbox letterbox = Letterbox.builder()