diff --git a/java-service/pom.xml b/java-service/pom.xml
index 07c562a..251caf5 100644
--- a/java-service/pom.xml
+++ b/java-service/pom.xml
@@ -105,7 +105,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.8.1</version>
+      <version>2.8.9</version>
       <scope>test</scope>
     </dependency>