diff --git a/pom.xml b/pom.xml
index 586b129..8435a52 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
 		<maven.compiler.target>${maven.compiler.source}</maven.compiler.target>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
-		<kotlin.version>1.9.20</kotlin.version>
+		<kotlin.version>1.9.21</kotlin.version>
 		<kotlin.coroutine.version>1.7.3</kotlin.coroutine.version>
 
 		<http4k.version>5.10.3.0</http4k.version>