diff --git a/.gitignore b/.gitignore
index 56c126e..e4d2a4e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,5 @@ local.properties
 /.idea/
 /.secrets
 /.env
+/keystore.properties
+/keystore/keystore.jks
diff --git a/composesensors/build.gradle.kts b/composesensors/build.gradle.kts
index b1cff9d..5034d79 100644
--- a/composesensors/build.gradle.kts
+++ b/composesensors/build.gradle.kts
@@ -1,5 +1,3 @@
-@file:Suppress("UnstableApiUsage")
-
 plugins {
     id("com.android.library")
     id("org.jetbrains.kotlin.android")
@@ -8,7 +6,7 @@ plugins {
 
 android {
     namespace = "com.mutualmobile.composesensors"
-    compileSdk = 33
+    compileSdk = 34
 
     defaultConfig {
         minSdk = 21
@@ -27,11 +25,11 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "11"
     }
     buildFeatures {
         compose = true
diff --git a/composesensors/src/main/java/com/mutualmobile/composesensors/SensorType.kt b/composesensors/src/main/java/com/mutualmobile/composesensors/SensorType.kt
index e66cec6..78dea3e 100644
--- a/composesensors/src/main/java/com/mutualmobile/composesensors/SensorType.kt
+++ b/composesensors/src/main/java/com/mutualmobile/composesensors/SensorType.kt
@@ -9,40 +9,40 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.platform.LocalContext
 
 sealed class SensorType(val name: String) {
-    object Accelerometer : SensorType(name = "Accelerometer")
-    object MagneticField : SensorType(name = "MagneticField")
-    object Gyroscope : SensorType(name = "Gyroscope")
-    object Light : SensorType(name = "Light")
-    object Pressure : SensorType(name = "Pressure")
-    object Proximity : SensorType(name = "Proximity")
-    object Gravity : SensorType(name = "Gravity")
-    object LinearAcceleration : SensorType(name = "LinearAcceleration")
-    object RotationVector : SensorType(name = "RotationVector")
-    object RelativeHumidity : SensorType(name = "RelativeHumidity")
-    object AmbientTemperature : SensorType(name = "AmbientTemperature")
-    object MagneticFieldUncalibrated : SensorType(name = "MagneticFieldUncalibrated")
-    object GameRotationVector : SensorType(name = "GameRotationVector")
-    object GyroscopeUncalibrated : SensorType(name = "GyroscopeUncalibrated")
-    object SignificantMotion : SensorType(name = "SignificantMotion")
-    object StepDetector : SensorType(name = "StepDetector")
-    object StepCounter : SensorType(name = "StepCounter")
-    object GeomagneticRotationVector : SensorType(name = "GeomagneticRotationVector")
-    object HeartRate : SensorType(name = "HeartRate")
-    object Pose6DOF : SensorType(name = "Pose6DOF")
-    object StationaryDetect : SensorType(name = "StationaryDetect")
-    object MotionDetect : SensorType(name = "MotionDetect")
-    object HeartBeat : SensorType(name = "HeartBeat")
-    object LowLatencyOffBodyDetect : SensorType(name = "LowLatencyOffBodyDetect")
-    object AccelerometerUncalibrated : SensorType(name = "AccelerometerUncalibrated")
-    object HingeAngle : SensorType(name = "HingeAngle")
-    object HeadTracker : SensorType(name = "HeadTracker")
-    object AccelerometerLimitedAxes : SensorType(name = "AccelerometerLimitedAxes")
-    object GyroscopeLimitedAxes : SensorType(name = "GyroscopeLimitedAxes")
-    object AccelerometerLimitedAxesUncalibrated :
+    data object Accelerometer : SensorType(name = "Accelerometer")
+    data object MagneticField : SensorType(name = "MagneticField")
+    data object Gyroscope : SensorType(name = "Gyroscope")
+    data object Light : SensorType(name = "Light")
+    data object Pressure : SensorType(name = "Pressure")
+    data object Proximity : SensorType(name = "Proximity")
+    data object Gravity : SensorType(name = "Gravity")
+    data object LinearAcceleration : SensorType(name = "LinearAcceleration")
+    data object RotationVector : SensorType(name = "RotationVector")
+    data object RelativeHumidity : SensorType(name = "RelativeHumidity")
+    data object AmbientTemperature : SensorType(name = "AmbientTemperature")
+    data object MagneticFieldUncalibrated : SensorType(name = "MagneticFieldUncalibrated")
+    data object GameRotationVector : SensorType(name = "GameRotationVector")
+    data object GyroscopeUncalibrated : SensorType(name = "GyroscopeUncalibrated")
+    data object SignificantMotion : SensorType(name = "SignificantMotion")
+    data object StepDetector : SensorType(name = "StepDetector")
+    data object StepCounter : SensorType(name = "StepCounter")
+    data object GeomagneticRotationVector : SensorType(name = "GeomagneticRotationVector")
+    data object HeartRate : SensorType(name = "HeartRate")
+    data object Pose6DOF : SensorType(name = "Pose6DOF")
+    data object StationaryDetect : SensorType(name = "StationaryDetect")
+    data object MotionDetect : SensorType(name = "MotionDetect")
+    data object HeartBeat : SensorType(name = "HeartBeat")
+    data object LowLatencyOffBodyDetect : SensorType(name = "LowLatencyOffBodyDetect")
+    data object AccelerometerUncalibrated : SensorType(name = "AccelerometerUncalibrated")
+    data object HingeAngle : SensorType(name = "HingeAngle")
+    data object HeadTracker : SensorType(name = "HeadTracker")
+    data object AccelerometerLimitedAxes : SensorType(name = "AccelerometerLimitedAxes")
+    data object GyroscopeLimitedAxes : SensorType(name = "GyroscopeLimitedAxes")
+    data object AccelerometerLimitedAxesUncalibrated :
         SensorType(name = "AccelerometerLimitedAxesUncalibrated")
 
-    object GyroscopeLimitedAxesUncalibrated : SensorType(name = "GyroscopeLimitedAxesUncalibrated")
-    object Heading : SensorType(name = "Heading")
+    data object GyroscopeLimitedAxesUncalibrated : SensorType(name = "GyroscopeLimitedAxesUncalibrated")
+    data object Heading : SensorType(name = "Heading")
 
     fun toAndroidSensorType(): Int {
         return when (this) {
@@ -123,5 +123,5 @@ private inline fun <T> checkApi(expectedApi: Int, block: () -> T): T {
 private class OldApiException(currentApi: Int, expectedApi: Int) :
     Exception(
         "The current API ($currentApi) is too low. At least API ($expectedApi) is required to use" +
-            "this sensor."
+            " this sensor."
     )
diff --git a/sample/build.gradle.kts b/sample/build.gradle.kts
index 7330b33..bf36e53 100644
--- a/sample/build.gradle.kts
+++ b/sample/build.gradle.kts
@@ -1,4 +1,4 @@
-@file:Suppress("UnstableApiUsage")
+import java.util.Properties
 
 plugins {
     id("com.android.application")
@@ -7,12 +7,12 @@ plugins {
 
 android {
     namespace = "com.mutualmobile.sample"
-    compileSdk = 33
+    compileSdk = 34
 
     defaultConfig {
         applicationId = "com.mutualmobile.sample"
         minSdk = 21
-        targetSdk = 33
+        targetSdk = 34
         versionCode = 1
         versionName = "1.0"
 
@@ -22,6 +22,19 @@ android {
         }
     }
 
+    signingConfigs {
+        create("release") {
+            // Load keystore
+            val keystoreProperties = Properties().apply{
+                load(File("keystore.properties").reader())
+            }
+            storeFile = File(keystoreProperties.getProperty("storeFile"))
+            storePassword = keystoreProperties.getProperty("storePassword")
+            keyAlias = keystoreProperties.getProperty("keyAlias")
+            keyPassword= keystoreProperties.getProperty("keyPassword")
+        }
+    }
+
     buildTypes {
         release {
             isMinifyEnabled = false
@@ -29,14 +42,15 @@ android {
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"
             )
+            signingConfig = signingConfigs.getByName("release")
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "11"
     }
     buildFeatures {
         compose = true
@@ -44,7 +58,7 @@ android {
     composeOptions {
         kotlinCompilerExtensionVersion = "1.5.1"
     }
-    packagingOptions {
+    packaging {
         resources {
             excludes += "/META-INF/{AL2.0,LGPL2.1}"
         }
diff --git a/wearablesample/build.gradle.kts b/wearablesample/build.gradle.kts
index 8641201..fd5e446 100644
--- a/wearablesample/build.gradle.kts
+++ b/wearablesample/build.gradle.kts
@@ -1,3 +1,5 @@
+import java.util.Properties
+
 plugins {
     id("com.android.application")
     id("org.jetbrains.kotlin.android")
@@ -5,12 +7,12 @@ plugins {
 
 android {
     namespace = "com.mutualmobile.wearablesample"
-    compileSdk = 33
+    compileSdk = 34
 
     defaultConfig {
         applicationId = "com.mutualmobile.wearablesample"
         minSdk = 26
-        targetSdk = 33
+        targetSdk = 34
         versionCode = 1
         versionName = "1.0"
         vectorDrawables {
@@ -18,21 +20,35 @@ android {
         }
     }
 
+    signingConfigs {
+        create("release") {
+            // Load keystore
+            val keystoreProperties = Properties().apply{
+                load(File("keystore.properties").reader())
+            }
+            storeFile = File(keystoreProperties.getProperty("storeFile"))
+            storePassword = keystoreProperties.getProperty("storePassword")
+            keyAlias = keystoreProperties.getProperty("keyAlias")
+            keyPassword= keystoreProperties.getProperty("keyPassword")
+        }
+    }
+
     buildTypes {
         release {
             isMinifyEnabled = false
             proguardFiles(
                 getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro",
+                "proguard-rules.pro"
             )
+            signingConfig = signingConfigs.getByName("release")
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "11"
     }
     buildFeatures {
         compose = true
@@ -40,7 +56,7 @@ android {
     composeOptions {
         kotlinCompilerExtensionVersion = "1.5.1"
     }
-    packagingOptions {
+    packaging {
         resources {
             excludes += "/META-INF/{AL2.0,LGPL2.1}"
         }