diff --git a/loan/src/main/java/com/example/loan/controller/JudgementController.java b/loan/src/main/java/com/example/loan/controller/JudgementController.java
index e87a89b2..a81cfda3 100644
--- a/loan/src/main/java/com/example/loan/controller/JudgementController.java
+++ b/loan/src/main/java/com/example/loan/controller/JudgementController.java
@@ -31,4 +31,12 @@ public class JudgementController extends AbstractController {
     ) {
         return ok(judgementService.getJudgementOfApplication(applicationId));
     }
+
+    @PutMapping("/{judgementId}")
+    public ResponseDto<JudgementDto.Response> update(
+            @PathVariable Long judgementId,
+            @RequestBody JudgementDto.Request request
+    ) {
+        return ok(judgementService.update(judgementId, request));
+    }
 }
diff --git a/loan/src/main/java/com/example/loan/service/JudgementService.java b/loan/src/main/java/com/example/loan/service/JudgementService.java
index 03785e04..168c378f 100644
--- a/loan/src/main/java/com/example/loan/service/JudgementService.java
+++ b/loan/src/main/java/com/example/loan/service/JudgementService.java
@@ -9,4 +9,6 @@ public interface JudgementService {
     JudgementDto.Response get(Long judgementId);
 
     JudgementDto.Response getJudgementOfApplication(Long applicationId);
+
+    JudgementDto.Response update(Long judgementId, JudgementDto.Request request);
 }
diff --git a/loan/src/main/java/com/example/loan/service/JudgementServiceImpl.java b/loan/src/main/java/com/example/loan/service/JudgementServiceImpl.java
index d835a0ff..40f56244 100644
--- a/loan/src/main/java/com/example/loan/service/JudgementServiceImpl.java
+++ b/loan/src/main/java/com/example/loan/service/JudgementServiceImpl.java
@@ -55,6 +55,19 @@ public class JudgementServiceImpl implements JudgementService {
         return modelMapper.map(judgement, JudgementDto.Response.class);
     }
 
+    @Override
+    public JudgementDto.Response update(Long judgementId, JudgementDto.Request request) {
+        Judgement judgement = judgementRepository.findById(judgementId)
+                .orElseThrow(() -> new BaseException(ResultType.SYSTEM_ERROR));
+
+        judgement.setName(request.getName());
+        judgement.setApprovalAmount(request.getApprovalAmount());
+
+        judgementRepository.save(judgement);
+
+        return modelMapper.map(judgement, JudgementDto.Response.class);
+    }
+
     private boolean isPresentApplication(Long applicationId) {
         return applicationRepository.findById(applicationId).isPresent();
     }
diff --git a/loan/src/test/java/com/example/loan/service/JudgementServiceImplTest.java b/loan/src/test/java/com/example/loan/service/JudgementServiceImplTest.java
index bea9bc5e..79f0606a 100644
--- a/loan/src/test/java/com/example/loan/service/JudgementServiceImplTest.java
+++ b/loan/src/test/java/com/example/loan/service/JudgementServiceImplTest.java
@@ -91,4 +91,28 @@ class JudgementServiceImplTest {
 
         assertThat(actual.getJudgementId()).isSameAs(1L);
     }
+
+    @Test
+    void Should_ReturnUpdatedResponseOfExistJudgementEntity_When_RequestUpdateExistJudgementInfo() {
+
+        Judgement entity = Judgement.builder()
+                .judgementId(1L)
+                .name("kim")
+                .approvalAmount(BigDecimal.valueOf(5000000))
+                .build();
+
+        JudgementDto.Request request = JudgementDto.Request.builder()
+                .name("lee")
+                .approvalAmount(BigDecimal.valueOf(10000000))
+                .build();
+
+        when(judgementRepository.findById(1L)).thenReturn(Optional.ofNullable(entity));
+        when(judgementRepository.save(ArgumentMatchers.any(Judgement.class))).thenReturn(entity);
+
+        JudgementDto.Response actual = judgementService.update(1L, request);
+
+        assertThat(actual.getJudgementId()).isSameAs(1L);
+        assertThat(actual.getName()).isSameAs(request.getName());
+        assertThat(actual.getApprovalAmount()).isSameAs(request.getApprovalAmount());
+    }
 }
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