diff --git a/build.gradle.kts b/build.gradle.kts
index f710a70a..05da5b02 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,7 +3,7 @@ import org.jetbrains.dokka.gradle.DokkaTask
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    kotlin("jvm") version "1.4.30"
+    kotlin("jvm") version "1.9.21"
     id("org.jetbrains.dokka") version "1.6.10"
     `maven-publish`
     id("io.gitlab.arturbosch.detekt") version "1.19.0"