diff --git a/batch/build.gradle.kts b/batch/build.gradle.kts
index 919fee4..e9d15a0 100644
--- a/batch/build.gradle.kts
+++ b/batch/build.gradle.kts
@@ -2,7 +2,6 @@ dependencies {
     implementation(project(":core"))
 
     implementation("org.springframework.boot:spring-boot-starter-batch")
-    implementation("org.springframework.boot:spring-boot-starter-data-mongodb")
     runtimeOnly("org.postgresql:postgresql")
     runtimeOnly("com.h2database:h2")
 }
diff --git a/build.gradle.kts b/build.gradle.kts
index ae4aa3a..7d86f02 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -45,6 +45,7 @@ subprojects {
         implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
 
         implementation("org.springframework.boot:spring-boot-starter-data-jpa")
+        implementation("org.springframework.boot:spring-boot-starter-data-mongodb")
 
         implementation("com.wafflestudio.truffle.sdk:truffle-spring-boot-starter:1.1.2")
         implementation("com.wafflestudio.truffle.sdk:truffle-logback:1.1.2")
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index 3395cad..e63b511 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -18,9 +18,10 @@ dependencies {
     implementation("software.amazon.awssdk:secretsmanager:2.20.66")
     implementation("software.amazon.awssdk:sts:2.20.66")
 
-    implementation("org.springframework.boot:spring-boot-starter-data-mongodb-reactive")
     implementation("org.springframework.boot:spring-boot-starter-data-redis")
 
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core")
+
     runtimeOnly("com.mysql:mysql-connector-j")
     kapt("com.querydsl:querydsl-apt::jakarta")
 }
diff --git a/core/src/main/kotlin/com/wafflestudio/snuttev/core/domain/mongo/MongoService.kt b/core/src/main/kotlin/com/wafflestudio/snuttev/core/domain/mongo/MongoService.kt
index 77d1267..e735ff2 100644
--- a/core/src/main/kotlin/com/wafflestudio/snuttev/core/domain/mongo/MongoService.kt
+++ b/core/src/main/kotlin/com/wafflestudio/snuttev/core/domain/mongo/MongoService.kt
@@ -1,7 +1,10 @@
 package com.wafflestudio.snuttev.core.domain.mongo
 
 import com.wafflestudio.snuttev.core.domain.lecture.model.LectureRatingDao
-import org.springframework.data.mongodb.core.ReactiveMongoTemplate
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import org.springframework.data.mongodb.core.MongoTemplate
 import org.springframework.data.mongodb.core.query.Criteria
 import org.springframework.data.mongodb.core.query.Query
 import org.springframework.data.mongodb.core.query.Update
@@ -9,14 +12,18 @@ import org.springframework.stereotype.Service
 
 @Service
 class MongoService(
-    private val mongoTemplate: ReactiveMongoTemplate,
+    private val mongoTemplate: MongoTemplate,
 ) {
     fun updateEvInfoToSnuttIds(snuttIds: List<String>, evInfo: LectureRatingDao?) =
-        mongoTemplate.updateMulti(
-            Query(Criteria.where("_id").`in`(snuttIds)),
-            Update().set("evInfo.evId", evInfo?.id)
-                .set("evInfo.avgRating", evInfo?.avgRating)
-                .set("evInfo.count", evInfo?.count),
-            "lectures",
-        ).subscribe()
+        CoroutineScope(Dispatchers.IO).launch {
+            runCatching {
+                mongoTemplate.updateMulti(
+                    Query(Criteria.where("_id").`in`(snuttIds)),
+                    Update().set("evInfo.evId", evInfo?.id)
+                        .set("evInfo.avgRating", evInfo?.avgRating)
+                        .set("evInfo.count", evInfo?.count),
+                    "lectures",
+                )
+            }
+        }
 }