diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 0e83024a..2dc1fa8c 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -11,7 +11,7 @@ jackson = "2.18.3"
 jsoup = "1.19.1"
 jtokkit = "1.1.0"
 junit = "5.12.1"
-kotlin = "2.0.0"
+kotlin = "2.1.20"
 llm-client = "0.8.38"
 okio = "3.10.2"
 tree-sitter = "0.24.5"