diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index af7dcd3..643b86f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -2,7 +2,7 @@
 # build tools
 java = "21"
 jacoco = "0.8.12"
-kotlin = "2.0.20"
+kotlin = "2.0.21"
 
 [libraries]
 # build tools