diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 5fd29984..4fc64ca1 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,7 +3,7 @@ processor = "2025.3-SNAPSHOT"
 parser = "2025.3-SNAPSHOT"
 api = "2024.2"
 
-kotlin = "2.1.20"
+kotlin = "2.1.21"
 build-jdk = "11"
 #target-jdk = "11"
 test-jdk = "17"