diff --git a/build.gradle b/build.gradle
index 726b9b5..413d713 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.jetbrains.kotlin.jvm' version '1.4.31'
+    id 'org.jetbrains.kotlin.jvm' version '1.5.21'
 }
 
 task application(type: Jar) {