diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 2daefec..af119c9 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.3.20"
+kotlin = "2.3.21"
 kotlinLanguage = "2.1"
 shadow = "9.4.1"
 pluginPublish = "2.1.1"