diff --git a/tutorials/kotlin/Polygons/app/build.gradle b/tutorials/kotlin/Polygons/app/build.gradle
index d6126278..ad043560 100644
--- a/tutorials/kotlin/Polygons/app/build.gradle
+++ b/tutorials/kotlin/Polygons/app/build.gradle
@@ -30,7 +30,7 @@ dependencies {
     implementation 'com.google.android.gms:play-services-maps:17.0.1'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
     implementation "androidx.core:core-ktx:1.5.0"
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }