diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 534641ea..5fce1543 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.1.20"
+kotlin = "2.1.21"
 kotest = "6.0.0.M3"
 detekt = "1.23.8"
 ktlint = "1.1.0"