diff --git a/samples/kotlinlang-mcp-server/gradle/libs.versions.toml b/samples/kotlinlang-mcp-server/gradle/libs.versions.toml
index 9a68e310a..fdef6d30b 100644
--- a/samples/kotlinlang-mcp-server/gradle/libs.versions.toml
+++ b/samples/kotlinlang-mcp-server/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 kotlin = "2.3.21"
 ktor = "3.3.3"
-mcp-kotlin = "0.12.0"
+mcp-kotlin = "0.13.0"
 serialization = "1.11.0"
 coroutines = "1.11.0"
 logback = "1.5.34"