diff --git a/build.gradle b/build.gradle
index 3e16f279ba..11f41144a1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,7 +12,7 @@
 
 buildscript {
     ext {
-        kotlin_version = '2.1.20'
+        kotlin_version = '2.1.21'
         jacoco_version = '0.8.13'
     }
 }