diff --git a/modules/openapi-generator-gradle-plugin/build.gradle b/modules/openapi-generator-gradle-plugin/build.gradle
index f660266e856..81f0a8148fe 100644
--- a/modules/openapi-generator-gradle-plugin/build.gradle
+++ b/modules/openapi-generator-gradle-plugin/build.gradle
@@ -8,7 +8,7 @@ plugins {
     id("java-gradle-plugin")
     id("maven-publish")
     id("org.gradle.kotlin.kotlin-dsl") version "2.4.1"
-    id("org.jetbrains.kotlin.jvm") version "1.7.10"
+    id("org.jetbrains.kotlin.jvm") version "1.9.0"
     id("signing")
 }
 
@@ -41,7 +41,7 @@ repositories {
 
 dependencies {
     implementation("org.openapitools:openapi-generator:$openApiGeneratorVersion")
-    testImplementation("org.jetbrains.kotlin:kotlin-test-testng:1.7.10")
+    testImplementation("org.jetbrains.kotlin:kotlin-test-testng:1.9.0")
 }
 
 tasks.named("test", Test).configure {