diff --git a/.github/workflows/_deploy-native.yml b/.github/workflows/_deploy-native.yml
index ba48d90e..6c1703cf 100644
--- a/.github/workflows/_deploy-native.yml
+++ b/.github/workflows/_deploy-native.yml
@@ -3,10 +3,6 @@ name: deploy-native-template
 on:
   workflow_call:
     inputs:
-      target_branch:
-        required: false
-        type: string
-        default: ''
       ecr_repository:
         required: true
         type: string
@@ -34,8 +30,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.target_branch || github.ref }}
 
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@v4
diff --git a/.github/workflows/_deploy.yml b/.github/workflows/_deploy.yml
index e313cc36..976cb448 100644
--- a/.github/workflows/_deploy.yml
+++ b/.github/workflows/_deploy.yml
@@ -3,10 +3,6 @@ name: deploy-template
 on:
   workflow_call:
     inputs:
-      target_branch:
-        required: false
-        type: string
-        default: ''
       ecr_repository:
         required: true
         type: string
@@ -34,8 +30,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.target_branch || github.ref }}
 
       - name: Configure AWS credentials
         uses: aws-actions/configure-aws-credentials@v4
diff --git a/.github/workflows/deploy-manual-native.yml b/.github/workflows/deploy-manual-native.yml
index 0b1fe105..f8881e92 100644
--- a/.github/workflows/deploy-manual-native.yml
+++ b/.github/workflows/deploy-manual-native.yml
@@ -3,10 +3,6 @@ name: Deploy Manual Native
 on:
   workflow_dispatch:
     inputs:
-      target_branch:
-        description: '배포할 브랜치명'
-        required: true
-        type: string
       ecr_repository:
         description: 'ECR 리포지토리 (예: snutt-dev/snutt-timetable)'
         required: true
@@ -20,7 +16,6 @@ jobs:
   deploy:
     uses: ./.github/workflows/_deploy-native.yml
     with:
-      target_branch: ${{ inputs.target_branch }}
       ecr_repository: ${{ inputs.ecr_repository }}
       dockerfile: ${{ inputs.dockerfile }}
     secrets:
diff --git a/.github/workflows/deploy-manual.yml b/.github/workflows/deploy-manual.yml
index 3fd63b42..f1a7fa69 100644
--- a/.github/workflows/deploy-manual.yml
+++ b/.github/workflows/deploy-manual.yml
@@ -3,10 +3,6 @@ name: Deploy Manual
 on:
   workflow_dispatch:
     inputs:
-      target_branch:
-        description: '배포할 브랜치명'
-        required: true
-        type: string
       ecr_repository:
         description: 'ECR 리포지토리 (예: snutt-dev/snutt-timetable)'
         required: true
@@ -20,7 +16,6 @@ jobs:
   deploy:
     uses: ./.github/workflows/_deploy.yml
     with:
-      target_branch: ${{ inputs.target_branch }}
       ecr_repository: ${{ inputs.ecr_repository }}
       dockerfile: ${{ inputs.dockerfile }}
     secrets:
diff --git a/api/src/main/kotlin/controller/AuthController.kt b/api/src/main/kotlin/controller/AuthController.kt
index 3457da54..a8b19083 100644
--- a/api/src/main/kotlin/controller/AuthController.kt
+++ b/api/src/main/kotlin/controller/AuthController.kt
@@ -2,6 +2,7 @@ package com.wafflestudio.snutt.controller
 
 import com.wafflestudio.snutt.common.dto.OkResponse
 import com.wafflestudio.snutt.config.CurrentUser
+import com.wafflestudio.snutt.filter.SnuttDefaultApiFilterTarget
 import com.wafflestudio.snutt.filter.SnuttNoAuthApiFilterTarget
 import com.wafflestudio.snutt.users.data.User
 import com.wafflestudio.snutt.users.dto.EmailResponse
@@ -108,6 +109,7 @@ class AuthController(
         return OkResponse()
     }
 
+    @SnuttDefaultApiFilterTarget
     @PostMapping("/logout")
     suspend fun logout(
         @CurrentUser user: User,
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index 07973bf3..f15bcb69 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -13,12 +13,6 @@ dependencies {
     api("org.jetbrains.kotlinx:kotlinx-coroutines-jdk8")
     api("org.springframework.boot:spring-boot-starter-data-mongodb-reactive")
 
-    // TODO: https://jira.mongodb.org/browse/JAVA-6038 이슈 해결된 spring-boot-starter-data-mongodb 업그레이드 후 아래 의존성 삭제
-    api("org.mongodb:mongodb-driver-sync:5.5.2")
-    api("org.mongodb:bson:5.5.2")
-    api("org.mongodb:mongodb-driver-core:5.5.2")
-    api("org.mongodb:bson-record-codec:5.5.2")
-
     api("org.springframework.boot:spring-boot-starter-data-redis")
 
     implementation("org.springframework.security:spring-security-crypto")
diff --git a/core/src/main/kotlin/auth/kakao/KakaoOAuth2UserResponse.kt b/core/src/main/kotlin/auth/kakao/KakaoOAuth2UserResponse.kt
index 75e2bd0f..c032b981 100644
--- a/core/src/main/kotlin/auth/kakao/KakaoOAuth2UserResponse.kt
+++ b/core/src/main/kotlin/auth/kakao/KakaoOAuth2UserResponse.kt
@@ -1,16 +1,15 @@
 package com.wafflestudio.snutt.auth.kakao
 
-import tools.jackson.databind.PropertyNamingStrategies
-import tools.jackson.databind.annotation.JsonNaming
+import com.fasterxml.jackson.annotation.JsonProperty
 
-@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy::class)
 data class KakaoOAuth2UserResponse(
     val id: Long,
+    @param:JsonProperty("kakao_account")
     val kakaoAccount: KakaoAccountDto,
 )
 
-@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy::class)
 data class KakaoAccountDto(
     val email: String,
+    @param:JsonProperty("is_email_verified")
     val isEmailVerified: Boolean,
 )
diff --git a/core/src/main/kotlin/bookmark/dto/BookmarkLectureModifyRequest.kt b/core/src/main/kotlin/bookmark/dto/BookmarkLectureModifyRequest.kt
index 530fd008..9d99cb8c 100644
--- a/core/src/main/kotlin/bookmark/dto/BookmarkLectureModifyRequest.kt
+++ b/core/src/main/kotlin/bookmark/dto/BookmarkLectureModifyRequest.kt
@@ -1,9 +1,8 @@
 package com.wafflestudio.snutt.bookmark.dto
 
-import tools.jackson.databind.PropertyNamingStrategies
-import tools.jackson.databind.annotation.JsonNaming
+import com.fasterxml.jackson.annotation.JsonProperty
 
-@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy::class)
 data class BookmarkLectureModifyRequest(
+    @param:JsonProperty("lecture_id")
     val lectureId: String,
 )
diff --git a/core/src/main/kotlin/users/dto/FacebookLoginRequest.kt b/core/src/main/kotlin/users/dto/FacebookLoginRequest.kt
index cebf03bb..6fdf5373 100644
--- a/core/src/main/kotlin/users/dto/FacebookLoginRequest.kt
+++ b/core/src/main/kotlin/users/dto/FacebookLoginRequest.kt
@@ -1,10 +1,10 @@
 package com.wafflestudio.snutt.users.dto
 
-import tools.jackson.databind.PropertyNamingStrategies
-import tools.jackson.databind.annotation.JsonNaming
+import com.fasterxml.jackson.annotation.JsonProperty
 
-@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy::class)
 data class FacebookLoginRequest(
+    @param:JsonProperty("fb_id")
     val fbId: String?,
+    @param:JsonProperty("fb_token")
     val fbToken: String,
 )
diff --git a/core/src/main/kotlin/users/dto/LoginResponse.kt b/core/src/main/kotlin/users/dto/LoginResponse.kt
index ea5702e3..f5d86028 100644
--- a/core/src/main/kotlin/users/dto/LoginResponse.kt
+++ b/core/src/main/kotlin/users/dto/LoginResponse.kt
@@ -1,10 +1,9 @@
 package com.wafflestudio.snutt.users.dto
 
-import tools.jackson.databind.PropertyNamingStrategies
-import tools.jackson.databind.annotation.JsonNaming
+import com.fasterxml.jackson.annotation.JsonProperty
 
-@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy::class)
 data class LoginResponse(
+    @param:JsonProperty("user_id")
     val userId: String,
     val token: String,
     val message: String = "ok",
diff --git a/core/src/main/kotlin/users/dto/LogoutRequest.kt b/core/src/main/kotlin/users/dto/LogoutRequest.kt
index d3c7fe33..7ebb0eb4 100644
--- a/core/src/main/kotlin/users/dto/LogoutRequest.kt
+++ b/core/src/main/kotlin/users/dto/LogoutRequest.kt
@@ -1,9 +1,8 @@
 package com.wafflestudio.snutt.users.dto
 
-import tools.jackson.databind.PropertyNamingStrategies
-import tools.jackson.databind.annotation.JsonNaming
+import com.fasterxml.jackson.annotation.JsonProperty
 
-@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy::class)
 data class LogoutRequest(
+    @param:JsonProperty("registration_id")
     val registrationId: String,
 )
diff --git a/core/src/main/kotlin/users/dto/PasswordChangeRequest.kt b/core/src/main/kotlin/users/dto/PasswordChangeRequest.kt
index 09063814..06032406 100644
--- a/core/src/main/kotlin/users/dto/PasswordChangeRequest.kt
+++ b/core/src/main/kotlin/users/dto/PasswordChangeRequest.kt
@@ -1,10 +1,10 @@
 package com.wafflestudio.snutt.users.dto
 
-import tools.jackson.databind.PropertyNamingStrategies
-import tools.jackson.databind.annotation.JsonNaming
+import com.fasterxml.jackson.annotation.JsonProperty
 
-@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy::class)
 data class PasswordChangeRequest(
+    @param:JsonProperty("old_password")
     val oldPassword: String,
+    @param:JsonProperty("new_password")
     val newPassword: String,
 )
diff --git a/core/src/main/kotlin/users/dto/PasswordResetRequest.kt b/core/src/main/kotlin/users/dto/PasswordResetRequest.kt
index 3cc02b60..094e8dee 100644
--- a/core/src/main/kotlin/users/dto/PasswordResetRequest.kt
+++ b/core/src/main/kotlin/users/dto/PasswordResetRequest.kt
@@ -1,10 +1,9 @@
 package com.wafflestudio.snutt.users.dto
 
-import tools.jackson.databind.PropertyNamingStrategies
-import tools.jackson.databind.annotation.JsonNaming
+import com.fasterxml.jackson.annotation.JsonProperty
 
-@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy::class)
 data class PasswordResetRequest(
+    @param:JsonProperty("user_id")
     val userId: String,
     val password: String,
     val code: String,