diff --git a/samples/simple-streamable-server/gradle/libs.versions.toml b/samples/simple-streamable-server/gradle/libs.versions.toml
index ba5b0e7c..0009955f 100644
--- a/samples/simple-streamable-server/gradle/libs.versions.toml
+++ b/samples/simple-streamable-server/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.3.21"
+kotlin = "2.4.0"
 ktor = "3.3.3"
 junit = "6.1.0"
 mcp-kotlin = "0.13.0"