diff --git a/settings.gradle.kts b/settings.gradle.kts
index 73c6e5ce..b3753b4c 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -20,7 +20,7 @@ rootProject.name = "kaml"
 
 pluginManagement {
     plugins {
-        kotlin("multiplatform") version "2.0.20"
-        kotlin("plugin.serialization") version "2.0.20"
+        kotlin("multiplatform") version "2.0.21"
+        kotlin("plugin.serialization") version "2.0.21"
     }
 }