diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 7ea534a..a66156e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "1.9.0"
+kotlin = "1.9.21"
 kotlinx-serialization = "1.6.0"
 benchmark = "0.4.9"