diff --git a/demos/mcp/config-api/mcp-config-api-server/pom.xml b/demos/mcp/config-api/mcp-config-api-server/pom.xml
index 4d558d4351d..f0d9172f66c 100644
--- a/demos/mcp/config-api/mcp-config-api-server/pom.xml
+++ b/demos/mcp/config-api/mcp-config-api-server/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.21.1</version>
+            <version>2.21.4</version>
         </dependency>
         
         <!-- Java HTTP Client (built-in from Java 11+) -->