diff --git a/build.gradle b/build.gradle
index 506be8fc..9109aa8d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        kotlin_version = '2.1.20'
+        kotlin_version = '2.1.21'
         kotpref_version = '2.13.2'
     }