diff --git a/build.gradle.kts b/build.gradle.kts
index 8a316a5..b9b16c6 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -7,7 +7,7 @@ val logback_version: String by project
 
 plugins {
     application
-    kotlin("jvm") version "2.0.21"
+    kotlin("jvm") version "2.1.20"
 }
 
 group = "com.couchbase.kotlin"