diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index f87cf05..dc0a010 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -7,7 +7,7 @@ detekt = "1.23.8"
 gradle_versions_filter = "0.1.16"
 kotest = "6.1.11"
 kotlin_logging = "8.0.01"
-kotlin = "2.3.20"
+kotlin = "2.3.21"
 kotlinter = "5.4.2"
 kotlinx_coroutines = "1.10.2"
 kotlinx_serialization = "1.11.0"