diff --git a/javaee_ajax/pom.xml b/javaee_ajax/pom.xml
index 4444e81..ea76b32 100644
--- a/javaee_ajax/pom.xml
+++ b/javaee_ajax/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.6</version>
+            <version>2.8.9</version>
         </dependency>
     </dependencies>