diff --git a/build.gradle b/build.gradle
index 74c09b4..d7e2815 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ apply plugin: "com.github.ben-manes.versions"
 
 buildscript {
     ext {
-        kotlin_version = '1.9.20'
+        kotlin_version = '1.9.21'
     }
 
     repositories {