diff --git a/smoke-test-maven-kotlin/pom.xml b/smoke-test-maven-kotlin/pom.xml
index a32afb7..5cda59f 100644
--- a/smoke-test-maven-kotlin/pom.xml
+++ b/smoke-test-maven-kotlin/pom.xml
@@ -10,7 +10,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <codes.version>0.4.0-SNAPSHOT</codes.version>
-    <kotlin.version>2.4.10</kotlin.version>
+    <kotlin.version>2.4.20</kotlin.version>
     <spring.framework.version>6.0.0</spring.framework.version>
     <grpc.version>1.75.0</grpc.version>
   </properties>