diff --git a/android/build.gradle b/android/build.gradle
deleted file mode 100644
index 1aa8619..0000000
--- a/android/build.gradle
+++ /dev/null
@@ -1,94 +0,0 @@
-apply plugin: 'com.android.library'
-apply plugin: 'kotlin-android'
-apply plugin: 'maven-publish'
-apply plugin: 'signing'
-
-android {
-    compileSdkVersion 31
-
-    defaultConfig {
-        minSdkVersion 21
-        targetSdkVersion 31
-        versionCode 1
-        versionName "1.0"
-
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-        consumerProguardFiles 'consumer-rules.pro'
-    }
-
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
-        }
-    }
-}
-
-dependencies {
-    implementation 'net.java.dev.jna:jna:5.8.0@aar'
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.4.0'
-    implementation 'androidx.core:core-ktx:1.7.0'
-    api "org.slf4j:slf4j-api:1.7.30"
-
-    androidTestImplementation 'com.github.tony19:logback-android:2.0.0'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-    androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.1'
-}
-
-afterEvaluate {
-
-    publishing {
-        publications {
-            // Creates a Maven publication called "release".
-            release(MavenPublication) {
-                // Applies the component for the release build variant.
-                from components.release
-
-                // You can then customize attributes of the publication as shown below.
-                groupId = 'org.bitcoindevkit'
-                artifactId = 'bdk-android'
-                version = '0.3.2'
-
-                pom {
-                    name = 'bdk-android'
-                    description = 'Bitcoin Dev Kit Kotlin language bindings.'
-                    url = "https://bitcoindevkit.org"
-                    licenses {
-                        license {
-                            name = "APACHE"
-                            url = "https://github.com/bitcoindevkit/bdk/blob/master/LICENSE-APACHE"
-                        }
-                        license {
-                            name = "MIT"
-                            url = "https://github.com/bitcoindevkit/bdk/blob/master/LICENSE-MIT"
-                        }
-                    }
-                    developers {
-                        developer {
-                            id = 'notmandatory'
-                            name = 'Steve Myers'
-                            email = 'notmandatory@noreply.github.org'
-                        }
-                        developer {
-                            id = 'artfuldev'
-                            name = 'Sudarsan Balaji'
-                            email = 'sudarsan.balaji@artfuldev.com'
-                        }
-                    }
-                    scm {
-                        connection = 'scm:git:github.com/bitcoindevkit/bdk-ffi.git'
-                        developerConnection = 'scm:git:ssh://github.com/bitcoindevkit/bdk-ffi.git'
-                        url = 'https://github.com/bitcoindevkit/bdk-ffi/tree/master'
-                    }
-                }
-            }
-        }
-    }
-}
-
-signing {
-    useGpgCmd()
-    sign publishing.publications
-}
diff --git a/android/build.gradle.kts b/android/build.gradle.kts
new file mode 100644
index 0000000..625be75
--- /dev/null
+++ b/android/build.gradle.kts
@@ -0,0 +1,89 @@
+plugins {
+    id("com.android.library")
+    id("kotlin-android")
+    id("maven-publish")
+    id("signing")
+}
+
+android {
+    compileSdk = 31
+
+    defaultConfig {
+        minSdk = 21
+        targetSdk = 31
+        // versionCode = 1
+        // versionName = "v0.2.2"
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        getByName("release") {
+            isMinifyEnabled = false
+            proguardFiles(file("proguard-android-optimize.txt"), file("proguard-rules.pro"))
+        }
+    }
+}
+
+dependencies {
+    implementation("net.java.dev.jna:jna:5.8.0@aar")
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7")
+    implementation("androidx.appcompat:appcompat:1.4.0")
+    implementation("androidx.core:core-ktx:1.7.0")
+    api("org.slf4j:slf4j-api:1.7.30")
+
+    androidTestImplementation("com.github.tony19:logback-android:2.0.0")
+    androidTestImplementation("androidx.test.ext:junit:1.1.3")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.4.0")
+    androidTestImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.1")
+}
+
+afterEvaluate {
+    publishing {
+        publications {
+            create<MavenPublication>("maven") {
+                groupId = "org.bitcoindevkit"
+                artifactId = "bdk-android"
+                version = "0.3.2"
+                from(components["release"])
+                pom {
+                    name.set("bdk-android")
+                    description.set("Bitcoin Dev Kit Kotlin language bindings.")
+                    url.set("https://bitcoindevkit.org")
+                    licenses {
+                        license {
+                            name.set("APACHE 2.0")
+                            url.set("https://github.com/bitcoindevkit/bdk/blob/master/LICENSE-APACHE")
+                        }
+                        license {
+                            name.set("MIT")
+                            url.set("https://github.com/bitcoindevkit/bdk/blob/master/LICENSE-MIT")
+                        }
+                    }
+                    developers {
+                        developer {
+                            id.set("notmandatory")
+                            name.set("Steve Myers")
+                            email.set("notmandatory@noreply.github.org")
+                        }
+                        developer {
+                            id.set("artfuldev")
+                            name.set("Sudarsan Balaji")
+                            email.set("sudarsan.balaji@artfuldev.com")
+                        }
+                    }
+                    scm {
+                        connection.set("scm:git:github.com/bitcoindevkit/bdk-ffi.git")
+                        developerConnection.set("scm:git:ssh://github.com/bitcoindevkit/bdk-ffi.git")
+                        url.set("https://github.com/bitcoindevkit/bdk-ffi/tree/master")
+                    }
+                }
+            }
+        }
+    }
+}
+
+signing {
+    useGpgCmd()
+    sign(publishing.publications)
+}