diff --git a/whiskers-ktor-no-db/build.gradle.kts b/whiskers-ktor-no-db/build.gradle.kts
index 15fa0be8..a1753859 100644
--- a/whiskers-ktor-no-db/build.gradle.kts
+++ b/whiskers-ktor-no-db/build.gradle.kts
@@ -1,7 +1,7 @@
 plugins {
     application
     kotlin("multiplatform") version "1.9.10"
-    kotlin("plugin.serialization") version "1.9.10"
+    kotlin("plugin.serialization") version "1.9.20"
 }
 
 group = "org.jesperancinha.native"