diff --git a/build.gradle b/build.gradle
index d3ac6fa..c869276 100644
--- a/build.gradle
+++ b/build.gradle
@@ -36,10 +36,10 @@ allprojects{
         }
     }
     dependencies {
-        implementation 'org.springframework.boot:spring-boot-starter-data-jdbc'
+        implementation 'org.springframework.boot:spring-boot-starter-data-jdbc:2.7.5'
         implementation 'org.springframework.boot:spring-boot-starter-jooq'
-        implementation 'org.springframework.boot:spring-boot-starter-web'
-        implementation 'org.springframework.boot:spring-boot-starter-security'
+        implementation 'org.springframework.boot:spring-boot-starter-web:2.7.5'
+        implementation 'org.springframework.boot:spring-boot-starter-security:2.7.5'
         compileOnly 'org.projectlombok:lombok'
         developmentOnly 'org.springframework.boot:spring-boot-devtools'
         runtimeOnly 'com.h2database:h2'
@@ -74,19 +74,3 @@ task migrateDB(type: org.flywaydb.gradle.task.FlywayMigrateTask) {
     outOfOrder = true
     placeholderReplacement = false
 }
-
-task cleanDB(type: org.flywaydb.gradle.task.FlywayCleanTask) {
-    cleanDisabled = false
-    driver = 'org.mariadb.jdbc.Driver'
-    url = 'jdbc:mariadb://localhost:3306/fycd?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Taipei'
-    user = 'root'
-    password = 'roottoor'
-    locations = ['filesystem:migrations']
-    target = 'latest'
-    baselineVersion = '0.0.1.1'
-    baselineOnMigrate = true
-    validateOnMigrate = true
-    outOfOrder = true
-    placeholderReplacement = false
-}
-
diff --git a/security-core/build.gradle b/security-core/build.gradle
index d1c9700..cfab632 100644
--- a/security-core/build.gradle
+++ b/security-core/build.gradle
@@ -2,7 +2,6 @@ plugins {
     id 'java'
 }
 
-
 dependencies {
     implementation 'org.jetbrains:annotations:20.1.0'
     implementation 'io.jsonwebtoken:jjwt-api:0.11.5'