diff --git a/samples/security/oauth/ai-agent/pom.xml b/samples/security/oauth/ai-agent/pom.xml
index a5b88299..140ac8a1 100644
--- a/samples/security/oauth/ai-agent/pom.xml
+++ b/samples/security/oauth/ai-agent/pom.xml
@@ -29,7 +29,7 @@
 	<properties>
 		<java.version>21</java.version>
 		<spring-ai.version>1.1.0</spring-ai.version>
-		<mcp-client-security.version>0.0.3</mcp-client-security.version>
+		<mcp-client-security.version>0.1.9</mcp-client-security.version>
 	</properties>
 	<repositories>
 		<repository>