diff --git a/build.gradle.kts b/build.gradle.kts
index 7f6184a..010a2f9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,11 +1,11 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    id(Plugins.SPRING_BOOT) version Plugins.SPRING_BOOT_VERSION
-    id(Plugins.SPRING_DEPENDENCY_MANAGEMENT) version Plugins.SPRING_DEPENDENCY_MANAGEMENT_VERSION
+    id(Plugins.Spring.BOOT) version Plugins.Spring.BOOT_VERSION
+    id(Plugins.Spring.DEPENDENCY_MANAGEMENT) version Plugins.Spring.DEPENDENCY_MANAGEMENT_VERSION
     kotlin(Plugins.Kotlin.JVM) version Plugins.Kotlin.VERSION
-    kotlin(Plugins.Kotlin.SPRING) version Plugins.Kotlin.VERSION apply false    // TODO: apply false what?
-    kotlin(Plugins.Kotlin.JPA) version Plugins.Kotlin.VERSION apply false
+    kotlin(Plugins.Kotlin.PLUGIN_SPRING) version Plugins.Kotlin.VERSION apply false    // TODO: apply false what?
+    kotlin(Plugins.Kotlin.PLUGIN_JPA) version Plugins.Kotlin.VERSION apply false
 }
 
 java.sourceCompatibility = JavaVersion.VERSION_17
@@ -20,15 +20,15 @@ allprojects {
 }
 
 subprojects {
-    apply(plugin = "java")
+    apply(plugin = Plugins.JAVA)
 
-    apply(plugin = "io.spring.dependency-management")
-    apply(plugin = "org.springframework.boot")
-    apply(plugin = "org.jetbrains.kotlin.plugin.spring")
+    apply(plugin = Plugins.Spring.DEPENDENCY_MANAGEMENT)
+    apply(plugin = Plugins.Spring.BOOT)
+    apply(plugin = "org.jetbrains.kotlin.plugin.spring") // TODO: 알아보기
 
-    apply(plugin = "kotlin")
-    apply(plugin = "kotlin-spring")
-    apply(plugin = "kotlin-jpa")
+    apply(plugin = Plugins.Kotlin.KOTLIN)
+    apply(plugin = Plugins.Kotlin.KOTLIN_SPRING)
+    apply(plugin = Plugins.Kotlin.KOTLIN_JPA)
 
     repositories {
         mavenCentral()
@@ -43,9 +43,9 @@ subprojects {
 
     dependencies {
         // Spring Boot Project
-        implementation("org.springframework.boot:spring-boot-starter-data-jpa")
-        implementation("org.springframework.boot:spring-boot-starter-web")
-        implementation("org.springframework.boot:spring-boot-starter-validation")
+        implementation("${Plugins.Spring.BOOT}:spring-boot-starter-data-jpa")
+        implementation("${Plugins.Spring.BOOT}:spring-boot-starter-web")
+        implementation("${Plugins.Spring.BOOT}:spring-boot-starter-validation")
         implementation("org.springframework.boot:spring-boot-starter-security")
         implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
         developmentOnly("org.springframework.boot:spring-boot-devtools")
diff --git a/buildSrc/src/main/kotlin/Plugins.kt b/buildSrc/src/main/kotlin/Plugins.kt
index fd4b523..9a413a4 100644
--- a/buildSrc/src/main/kotlin/Plugins.kt
+++ b/buildSrc/src/main/kotlin/Plugins.kt
@@ -1,15 +1,23 @@
 object Plugins {
-    const val SPRING_BOOT_VERSION = "2.7.0"
-    const val SPRING_BOOT = "org.springframework.boot"
+    object Spring {
+        const val BOOT_VERSION = "2.7.0"
+        const val BOOT = "org.springframework.boot"
 
-    const val SPRING_DEPENDENCY_MANAGEMENT_VERSION = "1.0.11.RELEASE"
-    const val SPRING_DEPENDENCY_MANAGEMENT = "io.spring.dependency-management"
+        const val DEPENDENCY_MANAGEMENT_VERSION = "1.0.11.RELEASE"
+        const val DEPENDENCY_MANAGEMENT = "io.spring.dependency-management"
+    }
+
+    const val JAVA = "java"
 
     object Kotlin {
+        const val KOTLIN = "kotlin"
+        const val KOTLIN_SPRING = "kotlin-spring"
+        const val KOTLIN_JPA = "kotlin-jpa"
+
         const val VERSION = "1.6.21"
 
         const val JVM = "jvm"
-        const val SPRING = "plugin.spring"
-        const val JPA = "plugin.jpa"
+        const val PLUGIN_SPRING = "plugin.spring"
+        const val PLUGIN_JPA = "plugin.jpa"
     }
 }
\ No newline at end of file