diff --git a/demo/muon-monitor/build.gradle.kts b/demo/muon-monitor/build.gradle.kts
index 7b4b09ef..57727447 100644
--- a/demo/muon-monitor/build.gradle.kts
+++ b/demo/muon-monitor/build.gradle.kts
@@ -10,6 +10,7 @@ group = "ru.mipt.npm"
 val ktorVersion: String by rootProject.extra
 
 kscience {
+    useSerialization()
     application()
 }