diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index c2d09b20..87b72b44 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -66,7 +66,7 @@ dependencies {
     implementation("org.springframework.boot:spring-boot-starter-oauth2-client")
 
     // Redis 의존성
-    // implementation ("org.springframework.boot:spring-boot-starter-data-redis")
+    implementation ("org.springframework.boot:spring-boot-starter-data-redis")
 
     //무중단 배포 의존성 추가 ( get 요청 )
     implementation("org.springframework.boot:spring-boot-starter-actuator")
diff --git a/backend/src/main/java/com/example/booktree/post/controller/PostController.java b/backend/src/main/java/com/example/booktree/post/controller/PostController.java
index a3ce31e7..c8106b4d 100644
--- a/backend/src/main/java/com/example/booktree/post/controller/PostController.java
+++ b/backend/src/main/java/com/example/booktree/post/controller/PostController.java
@@ -126,7 +126,7 @@ public ResponseEntity<PostDetailResponseDto> getPostById(@PathVariable("postId")
 
         // 조회수 업데이트
 
-        // popularPostService.increasePopularity(postId, post.getMainCategory().getId());
+        popularPostService.increasePopularity(postId, post.getMainCategory().getId());
 
         String mainCategory = post.getMainCategory() != null ? post.getMainCategory().getName() : "기본 카테고리";
         String category = post.getCategory() != null ? post.getCategory().getName() : "기본 서브 카테고리";
@@ -136,8 +136,6 @@ public ResponseEntity<PostDetailResponseDto> getPostById(@PathVariable("postId")
 //                .toList() : Collections.emptyList();
 
 
-
-
         PostDetailResponseDto response = PostDetailResponseDto.builder()
                 .postId(post.getId())
                 .title(post.getTitle())