diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index dc1e9e0e..cd2cdf13 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -19,7 +19,7 @@ gjf = "1.13.0"
 incap = "1.0.0"
 jdk = "20"
 jvmTarget = "11"
-kotlin = "1.9.20"
+kotlin = "1.9.21"
 kotlinCompileTesting = "0.4.0"
 kotlinpoet = "1.15.0"
 ksp = "1.9.20-1.0.14"