diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 0c85c27..4bd20fb 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -4,7 +4,7 @@
 
 [versions]
 # Kotlin
-kotlin = "2.3.20"
+kotlin = "2.3.21"
 ktlint = "14.2.0"
 kotlinxSerialization = "1.11.0"