diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index eece8e0f..6ed97560 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -10,9 +10,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: '16.x'
+          node-version: '18.x'
 
       - name: Build website
         run: |
diff --git a/app/build.gradle b/app/build.gradle
index 44734271..436cf843 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -20,7 +20,13 @@ android {
 
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+        debug {
+            minifyEnabled true
+            shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
@@ -28,6 +34,7 @@ android {
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_11
         targetCompatibility JavaVersion.VERSION_11
+        coreLibraryDesugaringEnabled true
     }
 
     kotlinOptions {
@@ -83,4 +90,5 @@ dependencies {
     implementation project(':timer-pingsender')
 
     testImplementation 'junit:junit:4.13.1'
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
 }
diff --git a/app/src/androidTest/java/com/gojek/courier/ExampleInstrumentedTest.kt b/app/src/androidTest/java/com/gojek/courier/ExampleInstrumentedTest.kt
index e470851b..e69de29b 100644
--- a/app/src/androidTest/java/com/gojek/courier/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/com/gojek/courier/ExampleInstrumentedTest.kt
@@ -1,24 +0,0 @@
-package com.gojek.courier
-
-import androidx.test.platform.app.InstrumentationRegistry
-import androidx.test.ext.junit.runners.AndroidJUnit4
-
-import org.junit.Test
-import org.junit.runner.RunWith
-
-import org.junit.Assert.*
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * See [testing documentation](http://d.android.com/tools/testing).
- */
-@RunWith(AndroidJUnit4::class)
-class ExampleInstrumentedTest {
-    @Test
-    fun useAppContext() {
-        // Context of the app under test.
-        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
-        assertEquals("com.gojek.courier", appContext.packageName)
-    }
-}
diff --git a/courier/src/main/java/com/gojek/courier/utils/RuntimePlatform.kt b/courier/src/main/java/com/gojek/courier/utils/RuntimePlatform.kt
index f6b5e019..2504d943 100644
--- a/courier/src/main/java/com/gojek/courier/utils/RuntimePlatform.kt
+++ b/courier/src/main/java/com/gojek/courier/utils/RuntimePlatform.kt
@@ -1,7 +1,10 @@
 package com.gojek.courier.utils
 
+import android.os.Build.VERSION
+import android.os.Build.VERSION_CODES
 import java.lang.invoke.MethodHandles.Lookup
 import java.lang.reflect.Method
+import java.util.Optional
 
 internal sealed class RuntimePlatform {
 
@@ -49,4 +52,4 @@ internal sealed class RuntimePlatform {
             Default()
         }
     }
-}
+}
\ No newline at end of file