diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index bd0ed8a..1c0e90e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 doma = "3.11.0"
-kotlin = "2.2.20"
+kotlin = "2.2.21"
 junit = "5.14.0"
 spotless = "7.2.1"
 doma-codegen = "3.2.1"