diff --git a/cosky-mirror/build.gradle.kts b/cosky-mirror/build.gradle.kts
index 11ecb5c2..28aa3f62 100644
--- a/cosky-mirror/build.gradle.kts
+++ b/cosky-mirror/build.gradle.kts
@@ -13,7 +13,7 @@
 
 plugins {
     application
-    kotlin("jvm") version "1.9.10"
+    kotlin("jvm") version "1.9.20"
     kotlin("plugin.spring") version "1.9.20"
     kotlin("kapt")
 }