diff --git a/storage/demo/src/main/java/de/grobox/storagebackuptester/App.kt b/storage/demo/src/main/java/de/grobox/storagebackuptester/App.kt
index da045dca..1cd46e13 100644
--- a/storage/demo/src/main/java/de/grobox/storagebackuptester/App.kt
+++ b/storage/demo/src/main/java/de/grobox/storagebackuptester/App.kt
@@ -9,6 +9,7 @@ import android.app.Application
 import android.os.StrictMode
 import android.os.StrictMode.VmPolicy
 import android.util.Log
+import com.google.android.material.color.DynamicColors
 import de.grobox.storagebackuptester.crypto.KeyManager
 import de.grobox.storagebackuptester.plugin.TestSafBackend
 import de.grobox.storagebackuptester.settings.SettingsManager
@@ -26,6 +27,7 @@ class App : Application() {
 
     override fun onCreate() {
         super.onCreate()
+        DynamicColors.applyToActivitiesIfAvailable(this)
         StrictMode.setThreadPolicy(
             StrictMode.ThreadPolicy.Builder()
                 .detectAll()
diff --git a/storage/demo/src/main/res/values-night/themes.xml b/storage/demo/src/main/res/values-night/themes.xml
index a28b5932..c3c9d946 100644
--- a/storage/demo/src/main/res/values-night/themes.xml
+++ b/storage/demo/src/main/res/values-night/themes.xml
@@ -4,7 +4,7 @@
   -->
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.StorageBackupTester" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+    <style name="Theme.StorageBackupTester" parent="Theme.Material3.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/matrix</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
diff --git a/storage/demo/src/main/res/values/themes.xml b/storage/demo/src/main/res/values/themes.xml
index cd905b06..30f3c44a 100644
--- a/storage/demo/src/main/res/values/themes.xml
+++ b/storage/demo/src/main/res/values/themes.xml
@@ -4,7 +4,7 @@
   -->
 <resources>
 
-    <style name="Theme.StorageBackupTester" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+    <style name="Theme.StorageBackupTester" parent="Theme.Material3.DayNight.NoActionBar">
         <item name="colorPrimary">@color/matrix</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
         <item name="colorOnPrimary">@color/white</item>