diff --git a/pom.xml b/pom.xml
index 9a7e3a4..bc5ce7d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <snippetsDirectory>${project.build.directory}/ascii-doc</snippetsDirectory>
-        <kotlin.version>1.9.20</kotlin.version>
+        <kotlin.version>1.9.21</kotlin.version>
     </properties>
 
     <dependencies>