diff --git a/gradle/kotlinx.versions.toml b/gradle/kotlinx.versions.toml
index 1295ec208..2e8524009 100644
--- a/gradle/kotlinx.versions.toml
+++ b/gradle/kotlinx.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin_version = "2.1.20"
+kotlin_version = "2.1.21"
 serialization_version = "1.8.1"
 xml_serialization_version = "0.91.0"