diff --git a/samples/kotlinlang-mcp-server/gradle/libs.versions.toml b/samples/kotlinlang-mcp-server/gradle/libs.versions.toml
index 967e7ff..2150c10 100644
--- a/samples/kotlinlang-mcp-server/gradle/libs.versions.toml
+++ b/samples/kotlinlang-mcp-server/gradle/libs.versions.toml
@@ -2,7 +2,7 @@
 kotlin = "2.3.21"
 ktor = "3.3.3"
 mcp-kotlin = "0.11.1"
-serialization = "1.10.0"
+serialization = "1.11.0"
 coroutines = "1.10.2"
 logback = "1.5.32"
 shadow = "9.4.1"