diff --git a/tutorials/kotlin/MapWithMarker/app/build.gradle b/tutorials/kotlin/MapWithMarker/app/build.gradle
index d761249b..8a391e74 100644
--- a/tutorials/kotlin/MapWithMarker/app/build.gradle
+++ b/tutorials/kotlin/MapWithMarker/app/build.gradle
@@ -41,7 +41,7 @@ dependencies {
     implementation 'com.google.android.gms:play-services-maps:17.0.0'
 
     // Tests
-    testImplementation 'junit:junit:4.13'
+    testImplementation 'junit:junit:4.13.1'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 }