diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 48f9138..877bf95 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.1.20"
+kotlin = "2.1.21"
 json-schema-validator = "0.5.1"
 
 [plugins]