diff --git a/tictactoe_kotlin/app/build.gradle b/tictactoe_kotlin/app/build.gradle
index 02ee206..5e92112 100644
--- a/tictactoe_kotlin/app/build.gradle
+++ b/tictactoe_kotlin/app/build.gradle
@@ -56,7 +56,7 @@ android {
 dependencies {
 
     implementation 'androidx.core:core-ktx:1.13.1'
-    implementation platform('org.jetbrains.kotlin:kotlin-bom:2.0.20')
+    implementation platform('org.jetbrains.kotlin:kotlin-bom:2.0.21')
     implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.8.6'
     implementation 'androidx.activity:activity-compose:1.9.2'
     implementation platform('androidx.compose:compose-bom:2024.09.03')
diff --git a/tictactoe_kotlin/build.gradle b/tictactoe_kotlin/build.gradle
index 2f78bd7..221a75a 100644
--- a/tictactoe_kotlin/build.gradle
+++ b/tictactoe_kotlin/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '8.7.0' apply false
-    id 'com.android.library' version '8.7.0' apply false
-    id 'org.jetbrains.kotlin.android' version '2.0.20' apply false
-    id 'org.jetbrains.kotlin.plugin.compose' version '2.0.20'
+    id 'com.android.application' version '8.7.1' apply false
+    id 'com.android.library' version '8.7.1' apply false
+    id 'org.jetbrains.kotlin.android' version '2.0.21' apply false
+    id 'org.jetbrains.kotlin.plugin.compose' version '2.0.21'
 }