diff --git a/blockchain-part2/pom.xml b/blockchain-part2/pom.xml
index 8655f94..2082320 100644
--- a/blockchain-part2/pom.xml
+++ b/blockchain-part2/pom.xml
@@ -16,7 +16,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.2</version>
+            <version>2.8.9</version>
         </dependency>
 
         <dependency>