diff --git a/src/main/java/com/beotkkot/qtudy/service/posts/PostsService.java b/src/main/java/com/beotkkot/qtudy/service/posts/PostsService.java
index d38a536..939e599 100644
--- a/src/main/java/com/beotkkot/qtudy/service/posts/PostsService.java
+++ b/src/main/java/com/beotkkot/qtudy/service/posts/PostsService.java
@@ -200,6 +200,12 @@ public ResponseEntity<? super PostsResponseDto> patchPost(Long postId, Long kaka
             }
 
             post.patchPost(dto);
+
+            // 요약
+            String summary = summaryService.summary(dto.getContent());
+            post.setContent(dto.getContent());
+            post.setSummary(summary);
+
             postsRepo.save(post);
 
         } catch (Exception exception) {