diff --git a/build.gradle.kts b/build.gradle.kts
index 1c7d90a..3e94488 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -12,7 +12,7 @@ plugins {
     // ranka i alert, ktory nigdy sam nie znika.
     //
     // Wroc do stabilnej, gdy 2.4.20 wyjdzie.
-    kotlin("jvm") version "2.4.20-RC2"
+    kotlin("jvm") version "2.4.20-RC3"
     application
 }