diff --git a/junit5-jupiter-starter-gradle-kotlin/build.gradle.kts b/junit5-jupiter-starter-gradle-kotlin/build.gradle.kts
index c8d01311..c2c2ef5a 100644
--- a/junit5-jupiter-starter-gradle-kotlin/build.gradle.kts
+++ b/junit5-jupiter-starter-gradle-kotlin/build.gradle.kts
@@ -2,7 +2,7 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_1_8
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-	kotlin("jvm") version "2.1.10"
+	kotlin("jvm") version "2.1.20"
 }
 
 repositories {
diff --git a/junit5-multiple-engines/build.gradle.kts b/junit5-multiple-engines/build.gradle.kts
index faa72036..019f834e 100644
--- a/junit5-multiple-engines/build.gradle.kts
+++ b/junit5-multiple-engines/build.gradle.kts
@@ -6,7 +6,7 @@ plugins {
     groovy
     eclipse // optional (to generate Eclipse project files)
     idea // optional (to generate IntelliJ IDEA project files)
-    kotlin("jvm") version "2.1.10"
+    kotlin("jvm") version "2.1.20"
 }
 
 repositories {