diff --git a/.github/workflows/kotlin.yaml b/.github/workflows/kotlin.yaml
index 358c416c..1051e873 100644
--- a/.github/workflows/kotlin.yaml
+++ b/.github/workflows/kotlin.yaml
@@ -23,10 +23,8 @@ jobs:
         distribution: 'oracle' # See 'Supported distributions' for available options
         java-version: '21'
         cache: 'gradle'
-    - name: Setup Gradle 8.13
+    - name: Setup Gradle
       uses: gradle/actions/setup-gradle@v5
-      with:
-        gradle-version: 8.13
     - name: Make gradle executable
       run: chmod +x ./gradlew
 
@@ -69,10 +67,8 @@ jobs:
           java-version: 21
           distribution: 'oracle'
           cache: 'gradle'
-      - name: Setup Gradle 8.13
+      - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v5
-        with:
-          gradle-version: 8.13
       - name: Make gradle executable
         run: chmod +x ./gradlew
       - name: Enable KVM group perms
diff --git a/tictactoe_dart/android/app/build.gradle b/tictactoe_dart/android/app/build.gradle
index 9055ead6..f6458ec6 100644
--- a/tictactoe_dart/android/app/build.gradle
+++ b/tictactoe_dart/android/app/build.gradle
@@ -35,10 +35,6 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
     }
 
-    kotlinOptions {
-        jvmTarget = '1.8'
-    }
-
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
     }
diff --git a/tictactoe_kotlin/app/build.gradle b/tictactoe_kotlin/app/build.gradle
index 3031e7c4..17e550ef 100644
--- a/tictactoe_kotlin/app/build.gradle
+++ b/tictactoe_kotlin/app/build.gradle
@@ -1,6 +1,5 @@
 plugins {
     id 'com.android.application'
-    id 'org.jetbrains.kotlin.android'
     id 'org.jetbrains.kotlin.plugin.compose'
 }
 
@@ -37,9 +36,6 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-    kotlinOptions {
-        jvmTarget = '1.8'
-    }
     buildFeatures {
         compose true
     }
@@ -74,7 +70,9 @@ dependencies {
     debugImplementation 'androidx.tracing:tracing:1.3.0'
 }
 tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
-    kotlinOptions {
-        languageVersion = "2.0"
+    kotlin {
+        compilerOptions {
+            languageVersion = org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_0
+        }
     }
 }
diff --git a/tictactoe_kotlin/build.gradle b/tictactoe_kotlin/build.gradle
index 7c0be1ef..9914647f 100644
--- a/tictactoe_kotlin/build.gradle
+++ b/tictactoe_kotlin/build.gradle
@@ -1,7 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '8.13.2' apply false
-    id 'com.android.library' version '8.13.2' apply false
-    id 'org.jetbrains.kotlin.android' version '2.3.0' apply false
+    id 'com.android.application' version '9.0.0' apply false
+    id 'com.android.library' version '9.0.0' apply false
     id 'org.jetbrains.kotlin.plugin.compose' version '2.3.0'
 }
diff --git a/tictactoe_kotlin/gradle/wrapper/gradle-wrapper.properties b/tictactoe_kotlin/gradle/wrapper/gradle-wrapper.properties
index f8749123..035b1ac3 100644
--- a/tictactoe_kotlin/gradle/wrapper/gradle-wrapper.properties
+++ b/tictactoe_kotlin/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 #Sat Jul 22 16:26:03 CEST 2023
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.0-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists