Update gradle.properties
diff --git a/gradle.properties b/gradle.properties
index 693a704..2929e5c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,7 @@
 # Copied from kotlinc
 org.gradle.jvmargs=-Duser.country=US -Dkotlin.daemon.jvm.options=-Xmx4096m -Dfile.encoding=UTF-8
 
-kotlinBaseVersion=2.1.21-RC2
+kotlinBaseVersion=2.1.21
 agpBaseVersion=8.10.0-alpha03
 intellijVersion=233.13135.128
 junitVersion=4.13.1