diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index ce1a75d..a48fa04 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -6,7 +6,7 @@ opentest4j = "1.3.0"
 # plugins
 detekt = "2.0.0-alpha.2"
 intelliJPlatform = "2.16.0"
-kotlin = "2.3.20"
+kotlin = "2.3.21"
 kover = "0.9.7"
 qodana = "2025.3.2"