diff --git a/app/build.gradle b/app/build.gradle
deleted file mode 100644
index 5784f11..0000000
--- a/app/build.gradle
+++ /dev/null
@@ -1,79 +0,0 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-
-def keystorePropertiesFile = rootProject.file("keystore.properties")
-def keystoreProperties = new Properties()
-if (keystorePropertiesFile.exists()) {
-    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
-}
-
-android {
-    namespace "com.simplemobiletools.thankyou"
-    compileSdk 34
-
-    defaultConfig {
-        applicationId "com.simplemobiletools.thankyou"
-        minSdk 23
-        targetSdk 34
-        versionCode 31
-        versionName "5.7.3"
-        setProperty("archivesBaseName", "thank-you")
-    }
-
-    signingConfigs {
-        if (keystorePropertiesFile.exists()) {
-            release {
-                keyAlias keystoreProperties['keyAlias']
-                keyPassword keystoreProperties['keyPassword']
-                storeFile file(keystoreProperties['storeFile'])
-                storePassword keystoreProperties['storePassword']
-            }
-        }
-    }
-
-    buildFeatures {
-        buildConfig true
-        viewBinding true
-    }
-
-    buildTypes {
-        debug {
-	        applicationIdSuffix ".debug"
-        }
-        release {
-            minifyEnabled true
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-            if (keystorePropertiesFile.exists()) {
-                signingConfig signingConfigs.release
-            }
-        }
-    }
-
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_17
-        targetCompatibility JavaVersion.VERSION_17
-    }
-
-    kotlinOptions {
-        jvmTarget = '17'
-    }
-
-    flavorDimensions = ["variants"]
-    productFlavors {
-        core {}
-        fdroid {}
-    }
-
-    sourceSets {
-        main.java.srcDirs += 'src/main/kotlin'
-    }
-
-    lintOptions {
-        checkReleaseBuilds false
-        abortOnError false
-    }
-}
-
-dependencies {
-    implementation 'com.github.SimpleMobileTools:Simple-Commons:de113ad025'
-}
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
new file mode 100644
index 0000000..0406cbc
--- /dev/null
+++ b/app/build.gradle.kts
@@ -0,0 +1,91 @@
+import java.io.FileInputStream
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+import org.jetbrains.kotlin.konan.properties.Properties
+
+plugins {
+    alias(libs.plugins.android)
+    alias(libs.plugins.kotlinAndroid)
+}
+
+val keystorePropertiesFile: File = rootProject.file("keystore.properties")
+val keystoreProperties = Properties()
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(FileInputStream(keystorePropertiesFile))
+}
+
+android {
+    compileSdk = project.libs.versions.app.build.compileSDKVersion.get().toInt()
+
+    defaultConfig {
+        applicationId = libs.versions.app.version.appId.get()
+        minSdk = project.libs.versions.app.build.minimumSDK.get().toInt()
+        targetSdk = project.libs.versions.app.build.targetSDK.get().toInt()
+        versionName = project.libs.versions.app.version.versionName.get()
+        versionCode = project.libs.versions.app.version.versionCode.get().toInt()
+        setProperty("archivesBaseName", "thank-you")
+    }
+
+    signingConfigs {
+        if (keystorePropertiesFile.exists()) {
+            register("release") {
+                keyAlias = keystoreProperties.getProperty("keyAlias")
+                keyPassword = keystoreProperties.getProperty("keyPassword")
+                storeFile = file(keystoreProperties.getProperty("storeFile"))
+                storePassword = keystoreProperties.getProperty("storePassword")
+            }
+        }
+    }
+
+    buildFeatures {
+        viewBinding = true
+        buildConfig = true
+    }
+
+    buildTypes {
+        debug {
+            applicationIdSuffix = ".debug"
+        }
+        release {
+            isMinifyEnabled = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+            if (keystorePropertiesFile.exists()) {
+                signingConfig = signingConfigs.getByName("release")
+            }
+        }
+    }
+
+    flavorDimensions.add("variants")
+    productFlavors {
+        register("core")
+        register("fdroid")
+        register("prepaid")
+    }
+
+    sourceSets {
+        getByName("main").java.srcDirs("src/main/kotlin")
+    }
+
+    compileOptions {
+        val currentJavaVersionFromLibs = JavaVersion.valueOf(libs.versions.app.build.javaVersion.get().toString())
+        sourceCompatibility = currentJavaVersionFromLibs
+        targetCompatibility = currentJavaVersionFromLibs
+    }
+
+    tasks.withType<KotlinCompile> {
+        kotlinOptions.jvmTarget = project.libs.versions.app.build.kotlinJVMTarget.get()
+    }
+
+    namespace = libs.versions.app.version.appId.get()
+
+    lint {
+        checkReleaseBuilds = false
+        abortOnError = false
+    }
+}
+
+dependencies {
+    implementation(libs.simple.tools.commons)
+}
diff --git a/build.gradle b/build.gradle
deleted file mode 100644
index 3675811..0000000
--- a/build.gradle
+++ /dev/null
@@ -1,30 +0,0 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
-buildscript {
-    ext.kotlin_version = '1.9.0'
-
-    repositories {
-        google()
-        mavenCentral()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:8.1.0'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
-    }
-}
-
-allprojects {
-    repositories {
-        google()
-        mavenCentral()
-        maven { url "https://jitpack.io" }
-    }
-}
-
-task clean(type: Delete) {
-    delete rootProject.buildDir
-}
diff --git a/build.gradle.kts b/build.gradle.kts
new file mode 100644
index 0000000..f023631
--- /dev/null
+++ b/build.gradle.kts
@@ -0,0 +1,4 @@
+plugins {
+    alias(libs.plugins.android).apply(false)
+    alias(libs.plugins.kotlinAndroid).apply(false)
+}
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
new file mode 100644
index 0000000..ff8af29
--- /dev/null
+++ b/gradle/libs.versions.toml
@@ -0,0 +1,22 @@
+[versions]
+#jetbrains
+kotlin = "1.9.0"
+#Simple tools
+simple-commons = "de113ad025"
+#Gradle
+gradlePlugins-agp = "8.1.0"
+app-build-compileSDKVersion = "34"
+app-build-targetSDK = "34"
+app-build-minimumSDK = "23"
+app-build-javaVersion = "VERSION_17"
+app-build-kotlinJVMTarget = "17"
+#versioning
+app-version-appId = "com.simplemobiletools.thankyou"
+app-version-versionCode = "31"
+app-version-versionName = "5.7.3"
+[libraries]
+#Simple Mobile Tools
+simple-tools-commons = { module = "com.github.SimpleMobileTools:Simple-Commons", version.ref = "simple-commons" }
+[plugins]
+android = { id = "com.android.application", version.ref = "gradlePlugins-agp" }
+kotlinAndroid = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
diff --git a/settings.gradle b/settings.gradle
deleted file mode 100644
index e7b4def..0000000
--- a/settings.gradle
+++ /dev/null
@@ -1 +0,0 @@
-include ':app'
diff --git a/settings.gradle.kts b/settings.gradle.kts
new file mode 100644
index 0000000..45478cb
--- /dev/null
+++ b/settings.gradle.kts
@@ -0,0 +1,16 @@
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        google()
+        mavenCentral()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+        maven { setUrl("https://jitpack.io") }
+    }
+}
+include(":app")