diff --git a/build.gradle.kts b/build.gradle.kts
index 3751222..5e09c3d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -6,8 +6,8 @@ plugins {
     war
     id("org.springframework.boot") version "3.1.5"
     id("io.spring.dependency-management") version "1.1.3"
-    kotlin("jvm") version "1.9.10"
-    kotlin("plugin.spring") version "1.9.10"
+    kotlin("jvm") version "1.9.20"
+    kotlin("plugin.spring") version "1.9.20"
 }
 
 group = "de.ukw.ccc"