diff --git a/junit4-runner/pom.xml b/junit4-runner/pom.xml
index 232e421..c6906a3 100644
--- a/junit4-runner/pom.xml
+++ b/junit4-runner/pom.xml
@@ -11,7 +11,7 @@
 
   <artifactId>junit4-runner</artifactId>
   <properties>
-    <kotlin.version>1.9.24</kotlin.version>
+    <kotlin.version>2.3.21</kotlin.version>
     <kotlin.compiler.incremental>true</kotlin.compiler.incremental>
   </properties>
   <build>