diff --git a/build.gradle.kts b/build.gradle.kts
index 658d1cff..2b879821 100755
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -2,7 +2,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     // Apply the Kotlin JVM plugin to add support for Kotlin.
-    kotlin("jvm") version "1.6.0"
+    kotlin("jvm") version "1.9.20"
     id("com.github.johnrengelman.shadow") version "7.1.0"
     id("org.jetbrains.dokka") version "1.5.31"
     kotlin("plugin.serialization") version "1.5.0"