diff --git a/src/main/java/com/petlog/docs/PetControllerDocs.java b/src/main/java/com/petlog/docs/PetControllerDocs.java
index ab6c2d9..21bcbc1 100644
--- a/src/main/java/com/petlog/docs/PetControllerDocs.java
+++ b/src/main/java/com/petlog/docs/PetControllerDocs.java
@@ -19,5 +19,5 @@ public interface PetControllerDocs {
 
     @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "반려동물 정보 수정에 성공하였습니다.")
     @Operation(summary = "반려동물 정보 수정 API")
-    ResponseEntity<ApiResponse<Void>> updatePetProfile(@PathVariable final Long groupId, @RequestBody final UpdatePetProfileRequestDto request);
+    ResponseEntity<ApiResponse<Void>> updatePetProfile(@Authenticated final Long memberId, @PathVariable final Long groupId, @RequestBody final UpdatePetProfileRequestDto request);
 }
diff --git a/src/main/java/com/petlog/pet/controller/PetController.java b/src/main/java/com/petlog/pet/controller/PetController.java
index 4a521f4..63ac517 100644
--- a/src/main/java/com/petlog/pet/controller/PetController.java
+++ b/src/main/java/com/petlog/pet/controller/PetController.java
@@ -10,6 +10,7 @@
 import com.petlog.pet.service.dto.GetPetProfileDto;
 import com.petlog.pet.service.dto.GetPoopInfoDto;
 import com.petlog.pet.service.dto.GetWateringInfoDto;
+import com.petlog.pet.service.dto.UpdatePetProfileDto;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -48,9 +49,19 @@ public ResponseEntity<ApiResponse<GetPetInfoResponseDto>> getPetInfo(
 
     @PatchMapping("/{groupId}/pet")
     public ResponseEntity<ApiResponse<Void>> updatePetProfile(
+        @Authenticated final Long memberId,
         @PathVariable final Long groupId,
         @RequestBody final UpdatePetProfileRequestDto request
     ) {
+        final UpdatePetProfileDto dto = new UpdatePetProfileDto(
+            request.imageUrl(),
+            request.name(),
+            request.age(),
+            request.weight(),
+            request.gender()
+        );
+        petService.updatePetProfile(memberId, groupId, dto);
+
         return ResponseEntity.ok(
             ApiResponse.success(UPDATE_PET_PROFILE)
         );
diff --git a/src/main/java/com/petlog/pet/entity/PetProfile.java b/src/main/java/com/petlog/pet/entity/PetProfile.java
index 5e206c8..503b065 100644
--- a/src/main/java/com/petlog/pet/entity/PetProfile.java
+++ b/src/main/java/com/petlog/pet/entity/PetProfile.java
@@ -38,12 +38,12 @@ public class PetProfile extends BaseEntity {
     @Column(name = "age", length = 10, nullable = false)
     private String age;
 
-    @Column(name = "gender", length = 10, nullable = false)
-    private String gender;
-
     @Column(name = "weight", length = 10, nullable = false)
     private String weight;
 
+    @Column(name = "gender", length = 10, nullable = false)
+    private String gender;
+
     @Column(name = "feeding_cycle", nullable = false)
     private int feedingCycle;
 
@@ -55,8 +55,8 @@ public PetProfile(
         final String imageUrl,
         final String name,
         final String age,
-        final String gender,
         final String weight,
+        final String gender,
         final int feedingCycle,
         final int wateringCycle
     ) {
@@ -64,9 +64,23 @@ public PetProfile(
         this.imageUrl = imageUrl;
         this.name = name;
         this.age = age;
-        this.gender = gender;
         this.weight = weight;
+        this.gender = gender;
         this.feedingCycle = feedingCycle;
         this.wateringCycle = wateringCycle;
     }
+
+    public void updatePetProfile(
+        final String imageUrl,
+        final String name,
+        final String age,
+        final String weight,
+        final String gender
+    ) {
+        this.imageUrl = imageUrl;
+        this.name = name;
+        this.age = age;
+        this.weight = weight;
+        this.gender = gender;
+    }
 }
diff --git a/src/main/java/com/petlog/pet/service/PetService.java b/src/main/java/com/petlog/pet/service/PetService.java
index 5018593..c4ad0e0 100644
--- a/src/main/java/com/petlog/pet/service/PetService.java
+++ b/src/main/java/com/petlog/pet/service/PetService.java
@@ -14,6 +14,7 @@
 import com.petlog.pet.service.dto.GetPetProfileDto;
 import com.petlog.pet.service.dto.GetPoopInfoDto;
 import com.petlog.pet.service.dto.GetWateringInfoDto;
+import com.petlog.pet.service.dto.UpdatePetProfileDto;
 import com.petlog.petgroup.entity.PetGroup;
 import com.petlog.petgroup.entity.PetGroupMember;
 import com.petlog.petgroup.repository.PetGroupMemberRepository;
@@ -49,8 +50,8 @@ public GetPetProfileDto getPetProfile(final Long memberId, final Long groupId) {
             petProfile.getImageUrl(),
             petProfile.getName(),
             petProfile.getAge(),
-            petProfile.getGender(),
-            petProfile.getWeight()
+            petProfile.getWeight(),
+            petProfile.getGender()
         );
     }
 
@@ -127,4 +128,21 @@ private int getTodayPoopRecordCount(final PetProfile petProfile) {
 
         return poopDailyRecordRepository.countByPetProfileAndTimeBetween(petProfile, start, end);
     }
+
+    @Transactional
+    public void updatePetProfile(final Long memberId, final Long groupId, final UpdatePetProfileDto dto) {
+        final Member member = getMember(memberId);
+        final PetGroup petGroup = getPetGroup(groupId);
+        getPetGroupMember(member, petGroup);
+
+        final PetProfile petProfile = petProfileRepository.findByPetGroupId(groupId);
+
+        petProfile.updatePetProfile(
+            dto.imageUrl(),
+            dto.name(),
+            dto.age(),
+            dto.weight(),
+            dto.gender()
+        );
+    }
 }
diff --git a/src/main/java/com/petlog/pet/service/dto/GetPetProfileDto.java b/src/main/java/com/petlog/pet/service/dto/GetPetProfileDto.java
index 2249590..a5b6804 100644
--- a/src/main/java/com/petlog/pet/service/dto/GetPetProfileDto.java
+++ b/src/main/java/com/petlog/pet/service/dto/GetPetProfileDto.java
@@ -12,11 +12,11 @@ public record GetPetProfileDto(
     @Schema(description = "4글자 제한")
     String age,
 
-    @Schema(description = "FEMALE/MALE")
-    String gender,
-
     @Schema(description = "6글자 제한")
-    String weight
+    String weight,
+
+    @Schema(description = "FEMALE/MALE")
+    String gender
 
 
 ) {
@@ -24,13 +24,13 @@ public GetPetProfileDto(
         final String imageUrl,
         final String name,
         final String age,
-        final String gender,
-        final String weight
+        final String weight,
+        final String gender
     ) {
         this.imageUrl = imageUrl;
         this.name = name;
         this.age = age;
-        this.gender = gender;
         this.weight = weight;
+        this.gender = gender;
     }
 }
diff --git a/src/main/java/com/petlog/pet/service/dto/UpdatePetProfileDto.java b/src/main/java/com/petlog/pet/service/dto/UpdatePetProfileDto.java
new file mode 100644
index 0000000..1f80f09
--- /dev/null
+++ b/src/main/java/com/petlog/pet/service/dto/UpdatePetProfileDto.java
@@ -0,0 +1,12 @@
+package com.petlog.pet.service.dto;
+
+public record UpdatePetProfileDto(
+
+    String imageUrl,
+    String name,
+    String age,
+    String weight,
+    String gender
+
+) {
+}
diff --git a/src/main/java/com/petlog/petgroup/service/PetGroupService.java b/src/main/java/com/petlog/petgroup/service/PetGroupService.java
index dcfe44f..bb1afcd 100644
--- a/src/main/java/com/petlog/petgroup/service/PetGroupService.java
+++ b/src/main/java/com/petlog/petgroup/service/PetGroupService.java
@@ -51,8 +51,8 @@ public void createPetGroup(final Long memberId, final CreatePetGroupDto dto) {
             dto.imageUrl(),
             dto.name(),
             dto.age(),
-            dto.gender(),
             dto.weight(),
+            dto.gender(),
             dto.feedingCycle(),
             dto.wateringCycle()
         );