diff --git a/02_threads/server/build.gradle.kts b/02_threads/server/build.gradle.kts
index ef2a785b89..298d2ca966 100644
--- a/02_threads/server/build.gradle.kts
+++ b/02_threads/server/build.gradle.kts
@@ -1,7 +1,7 @@
 plugins {
     id("org.springframework.boot") version "3.5.5"
     id("io.spring.dependency-management") version "1.1.7"
-    val kotlinVersion = "2.2.20"
+    val kotlinVersion = "2.3.10"
     id("org.jetbrains.kotlin.plugin.jpa") version kotlinVersion
     kotlin("jvm") version kotlinVersion
     kotlin("plugin.spring") version kotlinVersion