diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d129787..c136615 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,7 @@ junit = "4.13.2"
 # plugins
 changelog = "2.2.1"
 intelliJPlatform = "2.5.0"
-kotlin = "2.1.20"
+kotlin = "2.1.21"
 kover = "0.9.1"
 qodana = "2025.1.1"