diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 501e78dd6..f9c2bd9f5 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -24,7 +24,7 @@ managed-velocity = "2.3"
 
 pebble = "3.2.1"
 thymeleaf-extra-java8time = "3.0.4.RELEASE"
-kotlin = "1.9.20"
+kotlin = "1.9.21"
 kotlinx-coroutines = "1.7.3"
 
 micronaut-logging = "1.1.2"