diff --git a/pom.xml b/pom.xml
index 3c2c657..ec8eb3d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,7 +59,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.7</version>
+            <version>2.8.9</version>
         </dependency>
         
         <!-- https://mvnrepository.com/artifact/jfree/jfreechart -->