diff --git a/gradle.properties b/gradle.properties
index 59de9cd2d..cefaf9665 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,7 +11,7 @@ org.gradle.jvmargs=-Xmx2000m
 org.gradle.parallel=true
 
 # Dependencies
-kotlinVersion=2.1.20
+kotlinVersion=2.1.21
 kotlinSerializeVersion=1.8.0
 ktorVersion=3.1.2
 kotestVersion=6.0.0.M3