diff --git a/pom.xml b/pom.xml
index a7751f3a..3d69d14a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,7 @@
         <java.version>8</java.version>
 
         <pmd.langtest.version>7.13.0</pmd.langtest.version>
-        <kotlin.version>2.0.21</kotlin.version>
+        <kotlin.version>2.1.21</kotlin.version>
         <kotest.version>5.9.1</kotest.version>
         <junit5.version>5.12.2</junit5.version>
         <junit5.platform.version>1.12.2</junit5.platform.version>