diff --git a/build.gradle b/build.gradle
index 6386484..bcc7233 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlinVersion = '2.1.20'
+    ext.kotlinVersion = '2.1.21'
     ext.okhttpVersion = '4.12.0'
     ext.gsonVersion = '2.13.1'
     ext.jjwtVersion = 'd6feebe558'