diff --git a/app/build.gradle b/app/build.gradle
index 5435a4fb..4820f68b 100755
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -103,7 +103,7 @@ dependencies {
 
     // kotlin
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.3"
 
     // color picker for user-defined colors
     implementation 'com.github.martin-stone:hsv-alpha-color-picker-android:3.1.0'
diff --git a/build.gradle b/build.gradle
index babb04ad..f43362f6 100755
--- a/build.gradle
+++ b/build.gradle
@@ -1,13 +1,13 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '2.0.0'
+    ext.kotlin_version = '2.0.21'
     repositories {
         mavenCentral()
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.4.1'
+        classpath 'com.android.tools.build:gradle:8.7.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 8a1f6b97..68e8816d 100755
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,7 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=a4b4158601f8636cdeeab09bd76afb640030bb5b144aafe261a5e8af027dc612
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
+distributionSha256Sum=d725d707bfabd4dfdc958c624003b3c80accc03f7037b5122c4b1d0ef15cecab
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME