diff --git a/gson-master/proto/pom.xml b/gson-master/proto/pom.xml
index 11b999d..425e958 100644
--- a/gson-master/proto/pom.xml
+++ b/gson-master/proto/pom.xml
@@ -55,7 +55,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.4</version>
+      <version>2.8.9</version>
       <scope>compile</scope>
     </dependency>