diff --git a/ehrdao/pom.xml b/ehrdao/pom.xml
index 6f868d05..2f49cbc1 100644
--- a/ehrdao/pom.xml
+++ b/ehrdao/pom.xml
@@ -237,7 +237,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.4</version>
+            <version>2.8.9</version>
         </dependency>
         <!--<dependency>-->
             <!--<groupId>com.sun.jersey</groupId>-->