diff --git a/samples/kotlin-mcp-client/gradle/libs.versions.toml b/samples/kotlin-mcp-client/gradle/libs.versions.toml
index 5de32f0..bbb6bb7 100644
--- a/samples/kotlin-mcp-client/gradle/libs.versions.toml
+++ b/samples/kotlin-mcp-client/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-anthropic = "2.26.0"
+anthropic = "2.27.0"
 kotlin = "2.2.21"
 ktor = "3.3.3"
 mcp-kotlin = "0.11.1"