diff --git a/build.gradle b/build.gradle
index 6062a06..9f582e7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ plugins {
     id 'checkstyle'
     id 'jacoco'
     id 'application'
-    id 'org.jetbrains.kotlin.jvm' version '1.3.72'
+    id 'org.jetbrains.kotlin.jvm' version '1.4.31'
 }
 
 group 'org.radarbase'