diff --git a/Demos/Servlet/pom.xml b/Demos/Servlet/pom.xml
index e9a763e..6e91451 100644
--- a/Demos/Servlet/pom.xml
+++ b/Demos/Servlet/pom.xml
@@ -75,7 +75,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.2</version>
+            <version>2.8.9</version>
         </dependency>
 
         <dependency>