diff --git a/build.gradle.kts b/build.gradle.kts
index ca6e88c..d3551db 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     // Apply the org.jetbrains.kotlin.jvm Plugin to add support for Kotlin.
-    kotlin("jvm") version "1.6.20"
+    kotlin("jvm") version "1.6.21"
     id("org.jetbrains.dokka") version "1.6.21"
 
     // Apply the java-library plugin for API and implementation separation.