diff --git a/packages/native-date/android/build.gradle b/packages/native-date/android/build.gradle
index a37c2e7..b0b9a17 100644
--- a/packages/native-date/android/build.gradle
+++ b/packages/native-date/android/build.gradle
@@ -21,7 +21,14 @@ def reactNativeArchitectures() {
 }
 
 apply plugin: "com.android.library"
-apply plugin: "kotlin-android"
+// AGP 9 ships built-in Kotlin support and registers the `kotlin` extension
+// itself. Applying the Kotlin plugin on top of it fails configuration with
+// "Cannot add extension with name 'kotlin'". Only apply it when nothing has
+// registered that extension yet.
+if (project.extensions.findByName('kotlin') == null) {
+  apply plugin: "kotlin-android"
+}
+
 apply from: '../nitrogen/generated/android/rnpackages_nativedate+autolinking.gradle'
 
 apply plugin: "com.facebook.react"