diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 2e593b2449..a37a7a91c7 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -28,7 +28,7 @@ protobufGradlePlugin = "0.10.0"
 android = { module = "com.google.android:android", version.ref = "android" }
 androidMaterial = {module = "com.google.android.material:material", version = "1.14.0" }
 androidx-annotations = { module = "androidx.annotation:annotation", version = "1.10.0" }
-androidx-appcompat = { module = "androidx.appcompat:appcompat", version = "1.7.1" }
+androidx-appcompat = { module = "androidx.appcompat:appcompat", version = "1.8.0" }
 androidx-compose = { module = "androidx.activity:activity-compose", version = "1.13.0" }
 androidx-constraintLayout = { module = "androidx.constraintlayout:constraintlayout", version = "2.2.2" }
 androidx-ktx = { module = "androidx.core:core-ktx", version = "1.19.0" }
diff --git a/samples/android-app-kotlin-minsdk-sample/build.gradle.kts b/samples/android-app-kotlin-minsdk-sample/build.gradle.kts
index 18fd0043b5..5067369cfa 100644
--- a/samples/android-app-kotlin-minsdk-sample/build.gradle.kts
+++ b/samples/android-app-kotlin-minsdk-sample/build.gradle.kts
@@ -10,7 +10,6 @@ wire {
 }
 
 dependencies {
-  implementation(libs.androidx.appcompat)
   implementation(libs.androidx.constraintLayout)
   implementation(libs.moshi)
   implementation(projects.wire)
diff --git a/samples/android-app-kotlin-minsdk-sample/src/main/java/com/squareup/wire/android/app/kotlin/minsdk/MainActivity.kt b/samples/android-app-kotlin-minsdk-sample/src/main/java/com/squareup/wire/android/app/kotlin/minsdk/MainActivity.kt
index 330ce02bcf..044638dabb 100644
--- a/samples/android-app-kotlin-minsdk-sample/src/main/java/com/squareup/wire/android/app/kotlin/minsdk/MainActivity.kt
+++ b/samples/android-app-kotlin-minsdk-sample/src/main/java/com/squareup/wire/android/app/kotlin/minsdk/MainActivity.kt
@@ -15,14 +15,14 @@
  */
 package com.squareup.wire.android.app.kotlin.minsdk
 
+import android.app.Activity
 import android.os.Bundle
 import android.widget.TextView
-import androidx.appcompat.app.AppCompatActivity
 import com.squareup.moshi.Moshi
 import com.squareup.moshi.adapter
 import com.squareup.wire.WireJsonAdapterFactory
 
-class MainActivity : AppCompatActivity() {
+class MainActivity : Activity() {
 
   @OptIn(ExperimentalStdlibApi::class)
   private val jsonAdapter = Moshi.Builder()
diff --git a/samples/android-app-kotlin-minsdk-sample/src/main/res/values/styles.xml b/samples/android-app-kotlin-minsdk-sample/src/main/res/values/styles.xml
index 93c34e59dc..06be9f77f3 100644
--- a/samples/android-app-kotlin-minsdk-sample/src/main/res/values/styles.xml
+++ b/samples/android-app-kotlin-minsdk-sample/src/main/res/values/styles.xml
@@ -1,7 +1,7 @@
 <resources>
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
-        <item name="colorPrimary">@color/colorPrimary</item>
-        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
-        <item name="colorAccent">@color/colorAccent</item>
+    <style name="AppTheme" parent="android:Theme.Material.Light.DarkActionBar">
+        <item name="android:colorPrimary">@color/colorPrimary</item>
+        <item name="android:colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="android:colorAccent">@color/colorAccent</item>
     </style>
 </resources>