diff --git a/kotlin/pom.xml b/kotlin/pom.xml
index e952752f3..45e9ee308 100644
--- a/kotlin/pom.xml
+++ b/kotlin/pom.xml
@@ -29,7 +29,7 @@
 
   <properties>
     <main.basedir>${project.basedir}/..</main.basedir>
-    <kotlin.version>1.9.20</kotlin.version>
+    <kotlin.version>1.9.21</kotlin.version>
     <kotlinx.coroutines.version>1.7.3</kotlinx.coroutines.version>
   </properties>