diff --git a/src/spark/pom.xml b/src/spark/pom.xml
index dbd1d12..c758471 100644
--- a/src/spark/pom.xml
+++ b/src/spark/pom.xml
@@ -181,7 +181,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.3</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
             <groupId>org.scalatest</groupId>