diff --git a/rpc-executor-demo/pom.xml b/rpc-executor-demo/pom.xml
index 5fe0826..cfc272d 100644
--- a/rpc-executor-demo/pom.xml
+++ b/rpc-executor-demo/pom.xml
@@ -53,7 +53,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.7</version>
+            <version>2.9.10.3</version>
         </dependency>
 
         <dependency>