diff --git a/build.sbt b/build.sbt
index 81759210..fa7f03d6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -24,7 +24,7 @@ lazy val V =
     val requests = "0.8.0"
     val minimalMillVersion = "0.10.0"
     val millScipVersion = "0.3.6"
-    val kotlinVersion = "2.1.20"
+    val kotlinVersion = "2.3.21"
   }
 
 inThisBuild(