diff --git a/core/pom.xml b/core/pom.xml
index 3d3f9a0a4..1289128f9 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -80,7 +80,7 @@
     <hsqldb.version>2.7.4</hsqldb.version>
     <checkstyle.config>${project.basedir}/checkstyle-override.xml</checkstyle.config>
     <formatter.config>eclipse-formatter-config-4space.xml</formatter.config>
-    <kotlin.version>2.1.20</kotlin.version>
+    <kotlin.version>2.1.21</kotlin.version>
     <junit.jupiter.version>5.12.2</junit.jupiter.version>
     <argLine>-Xmx1024m -Duser.timezone=UTC</argLine>