diff --git a/build.gradle.kts b/build.gradle.kts
index 14943af..79073ca 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -27,7 +27,7 @@ import java.util.Date
 plugins {
     id("com.diffplug.spotless") version "6.4.2"
     id("org.jetbrains.dokka") version "1.7.20"
-    kotlin("jvm") version "1.5.31"
+    kotlin("jvm") version "1.7.21"
     `maven-publish`
 }