diff --git a/tutorials/java/Polygons/app/build.gradle b/tutorials/java/Polygons/app/build.gradle
index 087fe7b1..e13dad7b 100644
--- a/tutorials/java/Polygons/app/build.gradle
+++ b/tutorials/java/Polygons/app/build.gradle
@@ -24,7 +24,7 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'androidx.appcompat:appcompat:1.4.2'
-    implementation 'com.google.android.gms:play-services-maps:18.0.2'
+    implementation 'com.google.android.gms:play-services-maps:18.1.0'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'