diff --git a/tutorials/kotlin/Polygons/app/build.gradle b/tutorials/kotlin/Polygons/app/build.gradle
index 2e30cb913..84e996850 100644
--- a/tutorials/kotlin/Polygons/app/build.gradle
+++ b/tutorials/kotlin/Polygons/app/build.gradle
@@ -37,7 +37,7 @@ dependencies {
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
-    implementation "androidx.core:core-ktx:1.10.1"
+    implementation "androidx.core:core-ktx:1.13.0"
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }