diff --git a/pom.xml b/pom.xml
index 25a7067..42bd08b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <java.version>21</java.version>
-    <kotlin.version>2.1.20</kotlin.version>
+    <kotlin.version>2.1.21</kotlin.version>
     <maven.compiler.source>${java.version}</maven.compiler.source>
     <maven.compiler.target>${java.version}</maven.compiler.target>
     <junit-jupiter.version>5.12.2</junit-jupiter.version>