diff --git a/kotlin-routes/pom.xml b/kotlin-routes/pom.xml
index 22c749ba2..6a13a3cb9 100644
--- a/kotlin-routes/pom.xml
+++ b/kotlin-routes/pom.xml
@@ -23,7 +23,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven.compiler.release>21</maven.compiler.release>
-        <kotlin.version>2.2.21</kotlin.version>
+        <kotlin.version>2.3.21</kotlin.version>
         <maven-surefire-plugin.version>3.2.5</maven-surefire-plugin.version>
     </properties>