diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index abc515e..4f5865e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.1.20"
+kotlin = "2.1.21"
 slf4j = "2.0.17"
 pty4j = "0.13.4"
 tinylog = "2.7.0"