diff --git a/loan/src/main/java/com/example/loan/controller/CounselController.java b/loan/src/main/java/com/example/loan/controller/CounselController.java
index 3e1bf28c..3911fd65 100644
--- a/loan/src/main/java/com/example/loan/controller/CounselController.java
+++ b/loan/src/main/java/com/example/loan/controller/CounselController.java
@@ -23,4 +23,9 @@ public class CounselController extends AbstractController {
         return ok(counselService.get(counselId));
     }
 
+    @PutMapping("/{counselId}")
+    public ResponseDto<CounselDto.Response> update(@PathVariable Long counselId, @RequestBody CounselDto.Request request) {
+        return ok(counselService.update(counselId, request));
+    }
+
 }
diff --git a/loan/src/main/java/com/example/loan/service/CounselService.java b/loan/src/main/java/com/example/loan/service/CounselService.java
index 340d732c..4062c7a2 100644
--- a/loan/src/main/java/com/example/loan/service/CounselService.java
+++ b/loan/src/main/java/com/example/loan/service/CounselService.java
@@ -7,4 +7,6 @@ public interface CounselService {
     CounselDto.Response create(CounselDto.Request request);
 
     CounselDto.Response get(Long counselId);
+
+    CounselDto.Response update(Long counselId, CounselDto.Request request);
 }
diff --git a/loan/src/main/java/com/example/loan/service/CounselServiceImpl.java b/loan/src/main/java/com/example/loan/service/CounselServiceImpl.java
index e0516e35..ac44c8cb 100644
--- a/loan/src/main/java/com/example/loan/service/CounselServiceImpl.java
+++ b/loan/src/main/java/com/example/loan/service/CounselServiceImpl.java
@@ -35,4 +35,21 @@ public class CounselServiceImpl implements CounselService {
 
         return modelMapper.map(counsel, CounselDto.Response.class);
     }
+
+    @Override
+    public CounselDto.Response update(Long counselId, CounselDto.Request request) {
+        Counsel counsel = counselRepository.findById(counselId)
+                .orElseThrow(() -> new BaseException(ResultType.SYSTEM_ERROR));
+
+        counsel.setName(request.getName());
+        counsel.setCellPhone(request.getCellPhone());
+        counsel.setEmail(request.getEmail());
+        counsel.setMemo(request.getMemo());
+        counsel.setAddress(request.getAddress());
+        counsel.setAddressDetail(request.getAddressDetail());
+        counsel.setZipCode(request.getZipCode());
+
+        counselRepository.save(counsel);
+        return modelMapper.map(counsel, CounselDto.Response.class);
+    }
 }
diff --git a/loan/src/test/java/com/example/loan/service/CounselServiceTest.java b/loan/src/test/java/com/example/loan/service/CounselServiceTest.java
index c0a3d1e6..70f37187 100644
--- a/loan/src/test/java/com/example/loan/service/CounselServiceTest.java
+++ b/loan/src/test/java/com/example/loan/service/CounselServiceTest.java
@@ -86,4 +86,26 @@ class CounselServiceTest {
         assertThatThrownBy(() -> counselService.get(findId))
                 .isInstanceOf(BaseException.class);
     }
+
+    @Test
+    void Should_ReturnUpdatedResponseOfExistCounselEntity_When_RequestUpdateExistCounselInfo() {
+        Long findId = 1L;
+
+        Counsel entity = Counsel.builder()
+                .counselId(1L)
+                .name("kim")
+                .build();
+
+        CounselDto.Request request = CounselDto.Request.builder()
+                .name("jung")
+                .build();
+
+        when(counselRepository.save(ArgumentMatchers.any(Counsel.class))).thenReturn(entity);
+        when(counselRepository.findById(findId)).thenReturn(Optional.ofNullable(entity));
+
+        CounselDto.Response actual = counselService.update(findId, request);
+
+        assertThat(actual.getCounselId()).isSameAs(findId);
+        assertThat(actual.getName()).isSameAs("jung");
+    }
 }
\ No newline at end of file