diff --git a/TrepWs-IO/pom.xml b/TrepWs-IO/pom.xml
index 51d4222..86fee04 100644
--- a/TrepWs-IO/pom.xml
+++ b/TrepWs-IO/pom.xml
@@ -63,7 +63,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.5</version>
+            <version>2.8.9</version>
         </dependency>
 
         <dependency>