diff --git a/build.gradle b/build.gradle
index 249ef3440..f284b6b5c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,7 @@
 buildscript {
 
     ext {
-      kotlinVersion = '2.1.20'
+      kotlinVersion = '2.1.21'
     }
 
     repositories {