diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6d3fb27..2a4947e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,7 @@ junit = "4.13.2"
 # plugins
 changelog = "2.5.0"
 intelliJPlatform = "2.16.0"
-kotlin = "2.1.20"
+kotlin = "2.3.21"
 kover = "0.9.8"
 qodana = "2025.2.4"