diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b2102be2..08a124a6 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.0.20"
+kotlin = "2.0.21"
 ktfmt = "0.52"
 jdk = "22"
 # lint checks must target JDK 17, but the runtime should remain 11