diff --git a/dormitory-server/pom.xml b/dormitory-server/pom.xml
index 993eefd..fab6d77 100644
--- a/dormitory-server/pom.xml
+++ b/dormitory-server/pom.xml
@@ -89,7 +89,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.5</version>
+            <version>2.8.9</version>
         </dependency>