diff --git a/zetark-oauth2-server/pom.xml b/zetark-oauth2-server/pom.xml
index 15231be..e489a64 100644
--- a/zetark-oauth2-server/pom.xml
+++ b/zetark-oauth2-server/pom.xml
@@ -126,7 +126,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.3.1</version>
+            <version>2.8.9</version>
         </dependency>
 
     </dependencies>