diff --git a/build.gradle b/build.gradle
index 0fae870b2..dce718204 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 buildscript {
     ext {
-        kotlinVersion = '2.0.0'
+        kotlinVersion = '2.1.21'
         commonsVersion = '2.3.5'
     }
     repositories {