diff --git a/ufile-auth-server-java/pom.xml b/ufile-auth-server-java/pom.xml
index 1066144..a258406 100644
--- a/ufile-auth-server-java/pom.xml
+++ b/ufile-auth-server-java/pom.xml
@@ -22,7 +22,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
-        <dependency.gson.version>2.8.5</dependency.gson.version>
+        <dependency.gson.version>2.8.9</dependency.gson.version>
     </properties>
 
     <dependencies>