diff --git a/HanoiTowers/client/android/build.gradle b/HanoiTowers/client/android/build.gradle
index 371c1c8..8a063c6 100644
--- a/HanoiTowers/client/android/build.gradle
+++ b/HanoiTowers/client/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.6.0'
+        classpath 'com.android.tools.build:gradle:4.2.0'
     }
 }