diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 418b0c0..c3f4171 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -52,31 +52,31 @@ android {
 dependencies {
 
     // AndroidX
-    implementation("androidx.core:core-ktx:1.12.0")
-    implementation("androidx.appcompat:appcompat:1.6.1")
-    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
-    implementation("androidx.fragment:fragment:1.6.2")
-    implementation("androidx.fragment:fragment-ktx:1.6.2")
-    implementation("androidx.recyclerview:recyclerview:1.3.2")
-    implementation("androidx.lifecycle:lifecycle-viewmodel:2.7.0")
-    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.7.0")
-    implementation("androidx.preference:preference:1.2.1")
-    implementation("androidx.preference:preference-ktx:1.2.1")
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.fragment)
+    implementation(libs.androidx.fragment.ktx)
+    implementation(libs.androidx.recyclerview)
+    implementation(libs.androidx.lifecycle.viewmodel)
+    implementation(libs.androidx.lifecycle.viewmodel.ktx)
+    implementation(libs.androidx.preference)
+    implementation(libs.androidx.preference.ktx)
     // Material Design
-    implementation("com.google.android.material:material:1.12.0-alpha03")
+    implementation(libs.material)
     // Room
-    implementation("androidx.room:room-runtime:2.6.1")
-    implementation("androidx.room:room-ktx:2.6.1")
-    annotationProcessor("androidx.room:room-compiler:2.6.1")
-    ksp("androidx.room:room-compiler:2.6.1")
+    implementation(libs.androidx.room.runtime)
+    implementation(libs.androidx.room.ktx)
+    annotationProcessor(libs.androidx.room.compiler)
+    ksp(libs.androidx.room.compiler)
     // Gson
-    implementation("com.google.code.gson:gson:2.10.1")
+    implementation(libs.gson)
     // Fast Scroll
-    implementation("me.zhanghai.android.fastscroll:library:1.3.0")
+    implementation(libs.fast.scroll)
     // Test
-    testImplementation("junit:junit:4.13.2")
-    androidTestImplementation("androidx.test.ext:junit:1.1.5")
-    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
 }
 
 fun String.exec(): String = exec(this)
diff --git a/build.gradle.kts b/build.gradle.kts
index ec3ac6e..cfa4f5d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,6 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id("com.android.application") version "8.3.0" apply false
-    id("org.jetbrains.kotlin.android") version "1.9.22" apply false
-    id("com.google.devtools.ksp") version "1.9.22-1.0.18" apply false
+    alias(libs.plugins.android.application) apply false
+    alias(libs.plugins.kotlin.android) apply false
+    alias(libs.plugins.ksp) apply false
 }
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
new file mode 100644
index 0000000..66e44c0
--- /dev/null
+++ b/gradle/libs.versions.toml
@@ -0,0 +1,48 @@
+[versions]
+appcompat = "1.6.1"
+constraintlayout = "2.1.4"
+coreKtx = "1.12.0"
+espressoCore = "3.5.1"
+gson = "2.10.1"
+junit = "4.13.2"
+junitVersion = "1.1.5"
+library = "1.3.0"
+material = "1.12.0-alpha03"
+preferenceKtx = "1.2.1"
+preference = "1.2.1"
+lifecycleViewmodelKtx = "2.7.0"
+lifecycleViewmodel = "2.7.0"
+recyclerview = "1.3.2"
+fragmentKtx = "1.6.2"
+fragment = "1.6.2"
+roomRuntime = "2.6.1"
+
+agp = "8.3.0"
+kotlin-android = "1.9.22"
+ksp = "1.9.22-1.0.18"
+
+[libraries]
+androidx-appcompat = { module = "androidx.appcompat:appcompat", version.ref = "appcompat" }
+androidx-constraintlayout = { module = "androidx.constraintlayout:constraintlayout", version.ref = "constraintlayout" }
+androidx-core-ktx = { module = "androidx.core:core-ktx", version.ref = "coreKtx" }
+androidx-espresso-core = { module = "androidx.test.espresso:espresso-core", version.ref = "espressoCore" }
+androidx-junit = { module = "androidx.test.ext:junit", version.ref = "junitVersion" }
+androidx-preference-ktx = { module = "androidx.preference:preference-ktx", version.ref = "preferenceKtx" }
+androidx-preference = { module = "androidx.preference:preference", version.ref = "preference" }
+androidx-lifecycle-viewmodel-ktx = { module = "androidx.lifecycle:lifecycle-viewmodel-ktx", version.ref = "lifecycleViewmodelKtx" }
+androidx-lifecycle-viewmodel = { module = "androidx.lifecycle:lifecycle-viewmodel", version.ref = "lifecycleViewmodel" }
+androidx-recyclerview = { module = "androidx.recyclerview:recyclerview", version.ref = "recyclerview" }
+androidx-fragment-ktx = { module = "androidx.fragment:fragment-ktx", version.ref = "fragmentKtx" }
+androidx-fragment = { module = "androidx.fragment:fragment", version.ref = "fragment" }
+androidx-room-compiler = { module = "androidx.room:room-compiler", version.ref = "roomRuntime" }
+androidx-room-ktx = { module = "androidx.room:room-ktx", version.ref = "roomRuntime" }
+androidx-room-runtime = { module = "androidx.room:room-runtime", version.ref = "roomRuntime" }
+gson = { module = "com.google.code.gson:gson", version.ref = "gson" }
+junit = { module = "junit:junit", version.ref = "junit" }
+fast-scroll = { module = "me.zhanghai.android.fastscroll:library", version.ref = "library" }
+material = { module = "com.google.android.material:material", version.ref = "material" }
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin-android" }
+ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }
\ No newline at end of file