diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index ece8968..3b8725d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.4.20" # https://plugins.jetbrains.com/docs/intellij/using-kotlin.html#kotlin-standard-library
+kotlin = "2.4.21" # https://plugins.jetbrains.com/docs/intellij/using-kotlin.html#kotlin-standard-library
 rdGen = "2026.3.2" # https://github.com/JetBrains/rd/releases
 
 [libraries]