diff --git a/android/build.gradle b/android/build.gradle
index 5dda7a7cbb..c134ea3482 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -43,7 +43,7 @@ buildscript {
         'minSdk': 19,
         'targetSdk': 29,
         'compileSdk': 29,
-        'kotlin': '1.3.71',
+        'kotlin': '1.3.72',
         'buildTools': '29.0.3',
         'ndk': '21.0.6113669'
     ]
diff --git a/android/filament-utils-android/src/main/java/com/google/android/filament/utils/ModelViewer.kt b/android/filament-utils-android/src/main/java/com/google/android/filament/utils/ModelViewer.kt
index 6cf47191d5..75b361dd3e 100644
--- a/android/filament-utils-android/src/main/java/com/google/android/filament/utils/ModelViewer.kt
+++ b/android/filament-utils-android/src/main/java/com/google/android/filament/utils/ModelViewer.kt
@@ -26,6 +26,13 @@ import com.google.android.filament.android.UiHelper
 import com.google.android.filament.gltfio.*
 import java.nio.Buffer
 
+private const val kNearPlane = 0.5
+private const val kFarPlane = 10000.0
+private const val kFovDegrees = 45.0
+private const val kAperture = 16f
+private const val kShutterSpeed = 1f / 125f
+private const val kSensitivity = 100f
+
 /**
  * Helps render glTF models into a [SurfaceView] or [TextureView] with an orbit controller.
  *
@@ -84,13 +91,6 @@ class ModelViewer : android.view.View.OnTouchListener {
     private val target = DoubleArray(3)
     private val upward = DoubleArray(3)
 
-    private val kNearPlane = 0.5
-    private val kFarPlane = 10000.0
-    private val kFovDegrees = 45.0
-    private val kAperture = 16f
-    private val kShutterSpeed = 1f / 125f
-    private val kSensitivity = 100f
-
     init {
         engine = Engine.create()
         renderer = engine.createRenderer()
@@ -111,7 +111,7 @@ class ModelViewer : android.view.View.OnTouchListener {
         val (r, g, b) = Colors.cct(6_500.0f)
         LightManager.Builder(LightManager.Type.DIRECTIONAL)
                 .color(r, g, b)
-                .intensity(300_000.0f)
+                .intensity(100_000.0f)
                 .direction(0.0f, -1.0f, 0.0f)
                 .castShadows(true)
                 .build(engine, light)
diff --git a/android/samples/sample-gltf-viewer/src/main/java/com/google/android/filament/gltf/MainActivity.kt b/android/samples/sample-gltf-viewer/src/main/java/com/google/android/filament/gltf/MainActivity.kt
index c165be69b5..b8c9374c40 100644
--- a/android/samples/sample-gltf-viewer/src/main/java/com/google/android/filament/gltf/MainActivity.kt
+++ b/android/samples/sample-gltf-viewer/src/main/java/com/google/android/filament/gltf/MainActivity.kt
@@ -64,13 +64,13 @@ class MainActivity : Activity() {
 
         // enable dynamic resolution
         val options = modelViewer.view.dynamicResolutionOptions
-        options.enabled = true;
-        modelViewer.view.dynamicResolutionOptions = options;
+        options.enabled = true
+        modelViewer.view.dynamicResolutionOptions = options
 
         modelViewer.view.ambientOcclusion = View.AmbientOcclusion.SSAO
 
         val bloom = modelViewer.view.bloomOptions
-        bloom.enabled = true;
+        bloom.enabled = true
         modelViewer.view.bloomOptions = bloom
     }
 
@@ -92,7 +92,7 @@ class MainActivity : Activity() {
         val ibl = "venetian_crossroads_2k"
         readCompressedAsset("envs/$ibl/${ibl}_ibl.ktx").let {
             scene.indirectLight = KtxLoader.createIndirectLight(engine, it)
-            scene.indirectLight!!.intensity = 50_000.0f
+            scene.indirectLight!!.intensity = 30_000.0f
         }
         readCompressedAsset("envs/$ibl/${ibl}_skybox.ktx").let {
             scene.skybox = KtxLoader.createSkybox(engine, it)