diff --git a/build.gradle b/build.gradle
index 3afdd28a..55289f92 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.jetbrains.kotlin.jvm' version '1.4.20' apply false
+    id 'org.jetbrains.kotlin.jvm' version '1.4.21' apply false
     id "org.jlleitschuh.gradle.ktlint" version "9.2.1"
     id 'com.jfrog.bintray' version '1.8.5'
 }