diff --git a/build.gradle b/build.gradle
index 1b79b23..0376513 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,49 +1,49 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
     repositories {
         mavenCentral()
         maven { url 'https://maven.google.com' }
         google()
         maven { url 'https://jitpack.io' }
 
 
     }
     //kotlin
-    ext.kotlin_version = '1.9.0'
+    ext.kotlin_version = '1.9.21'
     ext.coroutines_version = "1.8.0"
     dependencies {
 
-        classpath 'com.android.tools.build:gradle:8.1.4'
+        classpath 'com.android.tools.build:gradle:8.5.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 ext {
         androidXTestVersion = "1.5.0"
 
         //multidex
         multidex_version = "2.0.1"
         //libraries versions
         fragment_version = "1.6.1"
         activity_version = "1.7.2"
         appcompat_version = "1.6.1"
         preference_version = "1.2.1"
         work_version = "2.9.0"
 
         acra_version = "5.11.3"
         lifecycle_version = "2.7.0"
         arch_version = "2.1.0"
         room_version = "2.5.2"
 
     }
 
 allprojects {
     repositories {
         maven { url 'https://maven.google.com' }
         google()
         mavenCentral()
         maven { url "https://jitpack.io" }
 
     }
 }