diff --git a/README.md b/README.md
index 4c3d00bf6..7c5c238f5 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 **국내 최대 IT 벤처창업동아리 SOPT의 공식 Android 앱**
 
 <p align="center">
-    <img src="https://img.shields.io/badge/Kotlin-1.9.10-7F52FF?style=for-the-badge&logo=Kotlin&logoColor=white"/>
+    <img src="https://img.shields.io/badge/Kotlin-1.9.20-7F52FF?style=for-the-badge&logo=Kotlin&logoColor=white"/>
     <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
     <img src="https://img.shields.io/badge/all_contributors-12-orange.svg?style=for-the-badge"/>
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
diff --git a/build.gradle.kts b/build.gradle.kts
index 0aa8395c4..941138c21 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -41,14 +41,14 @@ subprojects {
     extensions.configure<SpotlessExtension> {
         kotlin {
             target("**/*.kt")
-            targetExclude("$buildDir/**/*.kt")
+            targetExclude("${layout.buildDirectory}/**/*.kt")
             licenseHeaderFile(rootProject.file("spotless/spotless.license.kt"))
             trimTrailingWhitespace()
             endWithNewline()
         }
         format("kts") {
             target("**/*.kts")
-            targetExclude("$buildDir/**/*.kts")
+            targetExclude("${layout.buildDirectory}/**/*.kts")
             licenseHeaderFile(rootProject.file("spotless/spotless.license.kt"), "(^(?![\\/ ]\\*).*$)")
         }
         format("xml") {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6899d728d..2e45ef332 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,7 @@ targetSdk = "34"
 appVersion = "2.0.2"
 versionCode = "20002"
 
-kotlin = "1.9.10"
+kotlin = "1.9.20"
 kotlinx-serialization-json = "1.6.0"
 kotlinx-serialization-converter = "1.0.0"
 kotlinx-coroutines = "1.7.3"
@@ -19,7 +19,7 @@ navigation = "2.7.5"
 startup = "1.1.1"
 security = "1.1.0-alpha06"
 customtab = "1.6.0"
-compose-compiler = "1.5.3"
+compose-compiler = "1.5.4"
 compose-bom = "2023.10.01"
 desugarJdk = "2.0.4"
 rxjava = "3.1.8"
@@ -44,7 +44,7 @@ androidx-test = "1.5.2"
 androidx-test-rules = "1.5.0"
 
 gradleplugin = "8.1.3"
-kspplugin = "1.9.10-1.0.13"
+kspplugin = "1.9.20-1.0.14"
 
 dagger-hilt = "2.48.1"
 dagger-hilt-navigation-compose = "1.1.0"